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{{Status|Canon}}
{{Era|Post}}
{{New content|Halo: Escalation|Halo 5: Guardians|Halo: Saint's Testimony|Halo 5: Guardians|Halo: Envoy}}
{{Newcontent|Halo: Escalation|Halo 5: Guardians|Halo: Saint's Testimony|Halo 5: Guardians|Halo: Envoy}}
{{Infobox/Timeline/CE
{{Yearnav
|century=26th century
|image=File:Halo 5 - Guardian on Earth.jpg
|image=File:Halo 5 - Guardian on Earth.jpg
|caption=A Guardian emits an electromagnetic pulse over Earth, disabling its defenses.
|caption=A Guardian emits an electromagnetic pulse over Earth, disabling its defenses.
|other=
|previous1=2556
|previous2=2557
|next1=2559
|next2=2560
}}
}}
'''2558''' was a year in the 2550s in the 26th century. It was the year the {{UNSCShip|Infinity}} begins [[SPARTAN-IV program|Spartan-IV]] deployments to [[Requiem]] in operations referred to as "[[Spartan Ops]]," beginning the [[Requiem Campaign]] in early February. The [[Battle of Ealen IV]] takes place in early March, the [[Ven III|Battle of Ven III]] takes place in early May, and the [[Oban|Battle of Oban]] takes place in mid-July.
'''2558''' was a year in the 2550s in the 26th century. It was the year the {{UNSCShip|Infinity}} begins [[SPARTAN-IV program|Spartan-IV]] deployments to [[Requiem]] in operations referred to as "[[Spartan Ops]]," beginning the [[Second Battle of Requiem]] in early February. The [[Battle of Ealen IV]] takes place in early March, the [[Ven III|Battle of Ven III]] takes place in early May, and the [[Oban|Battle of Oban]] takes place in mid-July.


==Events==
==Events==
===January===
===January===
'''January 17'''
*'''January 17''': A simulated trial hosted by [[AI]]s [[Roland]] and [[Black-Box]] is held to allow [[Iona]] to attempt to prevent her [[rampancy]]-precipitated final dispensation. Afterwards, Iona is put into stasis while the simulation is examined by [[human]] scientists.<ref name="st24">'''[[Halo: Saint's Testimony]]''', ''page 24'' (Google Play edition)</ref>
*A simulated trial hosted by [[AI]]s [[Roland]] and [[Black-Box]] is held to allow [[Iona]] to attempt to prevent her [[rampancy]]-precipitated final dispensation. Afterwards, Iona is put into stasis while the simulation is examined by [[human]] scientists.<ref name="st24">'''[[Halo: Saint's Testimony]]''', ''page 24'' (Google Play edition)</ref>
 
'''January 21'''
*'''January 21''': [[Avu Med 'Telcam]] is [[Assassination of Avu Med 'Telcam|assassinated]] by [[SPARTAN-G059]] on [[New Llanelli]].<ref name="ktb">'''[[Halo: Tales from Slipspace]]''', ''[[Knight Takes Bishop]]''</ref>
*[[Avu Med 'Telcam]] is [[Assassination of Avu Med 'Telcam|assassinated]] by [[SPARTAN-G059]] on [[New Llanelli]].<ref name="ktb">'''[[Halo: Tales from Slipspace]]''', ''[[Knight Takes Bishop]]''</ref>


===February===
===February===
'''February 1–7'''
'''February 1–7''': [[Gek 'Lhar]] escapes the [[ONI]] detainment center [[Midnight Facility]], resulting in several fatalities and a heightened threat condition at the facility.<ref>[https://www.halowaypoint.com/en-us/forums/db05ce78845f4120b062c50816008e5d/topics/i-wish-343i-would-of-done-more-with-gek-lhar/89828287-a7a6-4b7d-ad31-a7f985eed1c0/posts?page=1#post12 '''Halo Waypoint''': ''I wish 343i would of done more with Gek Lhar'']</ref>
*[[Gek 'Lhar]] escapes the [[ONI]] detainment center [[Midnight Facility]], resulting in several fatalities and a heightened threat condition at the facility.<ref>[https://www.halowaypoint.com/en-us/forums/db05ce78845f4120b062c50816008e5d/topics/i-wish-343i-would-of-done-more-with-gek-lhar/89828287-a7a6-4b7d-ad31-a7f985eed1c0/posts?page=1#post12 '''Halo Waypoint''': ''I wish 343i would of done more with Gek Lhar'']</ref>
 
'''February 2'''
*'''February 2''': The {{UNSCShip|Infinity}} Charity Fun Run from the ship's stem to her stern takes place.<ref name="packet">'''[[Halo 4 Limited Edition]]''' — ''[[Infinity Briefing Packet]]''</ref>
*The {{UNSCShip|Infinity}} Charity Fun Run from the ship's stem to her stern takes place.<ref name="packet">'''[[Halo 4 Limited Edition]]''' — ''[[Infinity Briefing Packet]]''</ref>
 
'''February 6'''
*'''February 6'''
*[[SPARTAN-IV program|Spartan]] [[Gabriel Thorne]] is assigned to [[Fireteam Majestic]].{{Ref/Reuse|packet}}
**[[SPARTAN-IV program|Spartan]] [[Gabriel Thorne]] is assigned to [[Fireteam Majestic]].<ref name="packet"/>
*UNSC ''Infinity'' leaves [[Earth]] orbit for her [[Requiem Campaign|second tour]] at [[Requiem]] with the intent to establish research facilities on the [[shield world]].<ref name="waypointLearn">[https://twitter.com/bsangel/status/696003177733206016 '''Twitter''': ''Today in Halo - 2/6/2558'']</ref>
**UNSC ''Infinity'' leaves [[Earth]] orbit for her [[Requiem Campaign|second tour]] at [[Requiem]] with the intent to establish research facilities on the [[shield world]].<ref name="waypointLearn">[https://twitter.com/bsangel/status/696003177733206016 '''Twitter''': ''Today in Halo - 2/6/2558'']</ref>
'''February 7'''
 
*UNSC ''Infinity'' arrives at Requiem. [[Commander]] [[Sarah Palmer]], leader of ''Infinity''<nowiki>'</nowiki>s [[Spartan Operations|Spartan]] contingent, sends various Spartan fireteams to its interior surface. [[Marine]], [[Army]], and [[Navy]] assets are also deployed.{{Ref/Reuse|waypointLearn}}<ref>'''Spartan Ops''', ''[[S1/Departure|S1E1 - Departure]]''</ref> At 0500 hours, [[Operation: LAND GRAB]] begins, involving [[Fireteam Castle|Castle]], [[Fireteam Domino|Domino]], [[Fireteam Ivy|Ivy]], [[Fireteam Crimson|Crimson]], and [[Fireteam Majestic|Majestic]]. [[Fireteam Crimson]] is then deployed to help Marines destroy power cores, intended for short-range wireless distribution. This is done to stop [[Jul 'Mdama's Covenant]] from occuping building bases in the area. Crimson is ultimately successful. Majestic, likewise, is deployed to assist Marines in the initial assault on 'Mdama's Covenant forces in [[location REQ-931]] with the intent of securing a location for a research base.<ref name="briefing">'''[[Halo 4 Limited Edition]]''', ''Mission Briefing'' (variable between owners)</ref>  
*'''February 7''': UNSC ''Infinity'' arrives at Requiem. [[Commander]] [[Sarah Palmer]], leader of ''Infinity''<nowiki>'</nowiki>s [[Spartan Operations|Spartan]] contingent, sends various Spartan fireteams to its interior surface. [[Marine]], [[Army]], and [[Navy]] assets are also deployed.<ref name="waypointLearn"/><ref>'''Spartan Ops''', ''[[S1/Departure|S1E1 - Departure]]''</ref> At 0500 hours, [[Operation: LAND GRAB]] begins, involving [[Fireteam Castle|Castle]], [[Fireteam Domino|Domino]], [[Fireteam Ivy|Ivy]], [[Fireteam Crimson|Crimson]], and [[Fireteam Majestic|Majestic]]. [[Fireteam Crimson]] is then deployed to help Marines destroy power cores, intended for short-range wireless distribution. This is done to stop the [[Jul 'Mdama's Covenant|Covenant]] occupiers from building bases in the area. Crimson is ultimately successful. Majestic, likewise, is deployed to assist Marines in the initial assault on Covenant forces in [[location REQ-931]] with the intent of securing a location for a research base.<ref name="briefing">'''[[Halo 4 Limited Edition]]''', ''Mission Briefing'' (variable between owners)</ref>  
'''February 8'''
 
*'''[[Operation: ALL-SEEING EYE]]''': Fireteam Majestic is deployed for a reconnaissance mission to identify a possible location for base establishment as well as to gather data on any of 'Mdama's Covenant forces present.{{Ref/Reuse|briefing}}
*'''February 8'''
*At 1901 hours, [[War Games]] simulations aboard ''Infinity'' between numerous Spartan-IV fireteams conclude for the day.
**'''[[Operation: ALL-SEEING EYE]]''': Fireteam Majestic is deployed for a reconnaissance mission to identify a possible location for base establishment as well as to gather data on any Covenant forces present.<ref name="briefing"/>
'''February 9'''
**At 1901 hours, [[War Games]] simulations aboard ''Infinity'' between numerous Spartan-IV fireteams conclude for the day.
*'''[[Operation: CHATTERBOX]]''': Fireteams Majestic and Crimson are deployed to locations [[Fortress (location)|REQ-814-B]] and [[location REQ-814-D|REQ-814-D]] to remove 'Mdama's Covenant forces in order to allow the UNSC to establish a base at [[REQ-626-C]]. Majestic begins by destroying one of their communications arrays at REQ-814-D.{{Ref/Reuse|briefing}}
 
*A monthly poker night takes place aboard ''Infinity'', with the grand prize of priority seating on all of the ship's internal shuttlecraft and [[tram]]s.{{Ref/Reuse|packet}}
*'''February 9'''
'''February 10'''
**'''[[Operation: CHATTERBOX]]''': Fireteams Majestic and Crimson are deployed to locations [[location REQ-814-B|REQ-814-B]] and [[location REQ-814-D|REQ-814-D]] to remove Covenant forces in order to allow the UNSC to establish a base at [[location REQ-626-C|REQ-626-C]]. Majestic begins by destroying a Covenant communications array at REQ-814-B.<ref name="briefing"/>
*'''[[Operation: ACADEMIC]]''': Commander Sarah Palmer directs Fireteams Majestic and Crimson to Requiem with instructions to assault one of 'Mdama's Covenant outposts and recover [[Requiem slipspace artifacts|a Forerunner artifact]].{{Ref/Reuse|packet}} They are successful and the artifact is taken aboard ''Infinity''.<ref name="artifact">'''Spartan Ops''', [[S1/Artifact|S1E2 - ''Artifact'']]</ref> The device teleports [[Henry Glassman|Chief Engineer Henry Glassman]] to the surface of Requiem while he is investigating it.{{Ref/Reuse|artifact}}
**A monthly poker night takes place aboard ''Infinity'', with the grand prize of priority seating on all of the ship's internal shuttlecraft and [[tram]]s.<ref name="packet"/>
'''February 11'''
*'''[[Operation: THREE-CARD MONTE]]''': Fireteam Majestic, with support from Fireteams [[Fireteam Tower|Tower]], [[Fireteam Castle|Castle]] ,and [[Fireteam Domino|Domino]], is tasked with a search-and-destroy mission against 'Mdama's Covenant outposts at locations REQ-822-A, REQ-822-B, REQ-822-C, and REQ-822-D.{{Ref/Reuse|briefing}}


'''Between February 11 and February 14'''<!--Though no date stamp is given after Infinity's initial foray on the 8th, the cinematics suggest that Spartan Ops Season One occurs over the course of a few days, perhaps a little more than a week.-->
*'''February 10'''
*The [[Sahara-class prowler|prowler]] {{UNSCShip|Aladdin}} arrives at Requiem, carrying [[Catherine Halsey|Dr. Catherine Halsey]]. Halsey is brought aboard ''Infinity'' and shown the mysterious artifact.<ref name="Catherine">'''Spartan Ops''', ''[[S1/Catherine|S1E3 - Catherine]]''</ref>
**'''[[Operation: ACADEMIC]]''': Commander Sarah Palmer directs Fireteams Majestic and Crimson to Requiem with instructions to assault a Covenant outpost and recover [[Requiem slipspace artifacts|a Forerunner artifact]].<ref name="packet"/> They are successful and the artifact is taken aboard ''Infinity''.<ref name="artifact">'''Spartan Ops''', [[S1/Artifact|S1E2 - ''Artifact'']]</ref> The device teleports [[Henry Glassman|Chief Engineer Henry Glassman]] to the surface of Requiem while he is investigating it.<ref name="artifact"/>
*The Forerunner artifact scans ''Infinity''<nowiki>'</nowiki>s systems and begins transmitting data to the surface of Requiem,{{Ref/Reuse|Catherine}} where the data is intercepted by [[Jul 'Mdama]]. Glassman is taken captive by [[Jul 'Mdama's Covenant]] and is ordered to activate the [[Librarian]]'s shrine,{{Ref/Reuse|Catherine}} though he is not successful.
**The [[Sahara-class prowler|prowler]] {{UNSCShip|Aladdin}} arrives at Requiem, carrying [[Catherine Halsey|Dr. Catherine Halsey]]. Halsey is brought aboard ''Infinity'' and shown the mysterious artifact.<ref name="Catherine">'''Spartan Ops''', ''[[S1/Catherine|S1E3 - Catherine]]''</ref>
*Sangheili terrorist [[Parg Vol]] is assassinated by Fireteam Crimson.<ref>'''Spartan Ops''', [[S1/Catherine/Hunting Trip|S1E3Ch5 - ''Hunting Trip'']]</ref>
*[[Carlo Hoya]] finds a classified transmission meant for Halsey and gives it to Thorne.


'''February 14'''
*'''February 11''': '''[[Operation: THREE-CARD MONTE]]''': Fireteam Majestic, with support from Fireteams [[Fireteam Tower|Tower]], [[Fireteam Castle|Castle]] ,and [[Fireteam Domino|Domino]], is tasked with a search-and-destroy mission against Covenant outposts at locations REQ-822-A, REQ-822-B, REQ-822-C, and REQ-822-D.<ref name="briefing"/>
*''Infinity's'' [[Atrium Park]] Valentine's Dance is scheduled to begin at 2015 hours.{{Ref/Reuse|packet}}


'''In or after February 14'''  
*'''Unknown date'''<!--Though no date stamp is given after Infinity's initial foray on the 8th, the cinematics suggest that Spartan Ops Season One occurs over the course of a few days, perhaps a little more than a week.-->
*Fireteam Crimson secure another Forerunner artifact, dubbed "the [[Didact's Gift]]". This device contains the memories of victims of the [[Ur-Didact|Didact]]'s [[New Phoenix Incident|attack on New Phoenix]] six months prior. The processed human minds are to be repurposed as [[Promethean Knight]]s. Spartan Gabriel Thorne is translocated to [[the Cauldron]] by the first artifact.<ref name="Memento Mori">'''Spartan Ops''', ''[[S1/Memento Mori|S1E4 - Memento Mori]]''</ref>
**The Forerunner artifact scans ''Infinity''<nowiki>'</nowiki>s systems and begins transmitting data to the surface of Requiem,<ref name="Catherine"/> where the data is intercepted by [[Jul 'Mdama]]. Glassman is taken captive by the [[Jul 'Mdama's Covenant|Covenant]] and is ordered to activate the [[Librarian]]'s shrine,<ref name="Catherine"/> though he is not successful.
*Dr. Halsey begins dialog with an unknown party who shares her interest in the Librarian. The intelligence is actually Jul 'Mdama, the [[Supreme Commander]], who is manipulating Halsey into divulging vital secrets about the Forerunners.{{Ref/Reuse|Memento Mori}} Halsey is apprehended after her unwitting communication with 'Mdama is discovered. Spartan Thorne rescues Dr. Glassman and the pair escape custody, with Gek 'Lhar tracking them down.<ref>'''Spartan Ops''', ''[[S1/Scattered|S1E6 - Scattered]]''</ref>
**Sangheili terrorist [[Parg Vol]] is assassinated by Fireteam Crimson.<ref>'''Spartan Ops''', [[S1/Catherine/Hunting Trip|S1E3Ch5 - ''Hunting Trip'']]</ref>
*Dr. Halsey learns that [[John-117]] is still alive. ''Infinity'' is boarded by 'Mdama's Covenant and [[Promethean]] forces<ref name="Invasion">'''Spartan Ops''', ''[[S1/Invasion|S1E7 - Invasion]]''</ref> who capture the doctor. They take her to the [[Librarian's Rest|Librarian's "shrine"]], where 'Mdama awaits.<ref name="Expendable">'''Spartan Ops''', ''[[S1/Expendable|S1E8 - Expendable]]''</ref>
**[[Carlo Hoya]] finds a classified transmission meant for Halsey and gives it to Thorne.
*Gek 'Lhar catches up to Thorne and Glassman, and is killed when Fireteam Majestic arrive.{{Ref/Reuse|Expendable}}
**Fireteam Crimson secure another Forerunner artifact, dubbed "the [[Didact's Gift]]". This device contains the memories of victims of the [[Ur-Didact|Didact]]'s [[New Phoenix Incident|attack on New Phoenix]] six months prior. The processed human minds are to be repurposed as [[Promethean Knight]]s. Spartan Gabriel Thorne is translocated to [[the Cauldron]] by the first artifact.<ref name="Memento Mori">'''Spartan Ops''', ''[[S1/Memento Mori|S1E4 - Memento Mori]]''</ref>
*[[Admiral]] [[Serin Osman]], head of the [[Office of Naval Intelligence]], orders Captain [[Thomas Lasky]] to kill Dr. Halsey.{{Ref/Reuse|Expendable}} Commander Palmer is to execute the order.<ref name="Key">'''Spartan Ops''', ''[[S1/Key|S1E9 - Key]]''</ref>
**Dr. Halsey begins dialog with an unknown party who shares her interest in the Librarian. The intelligence is actually Jul 'Mdama, the Covenant's leader, who is manipulating Halsey into divulging vital secrets about the Forerunners.<ref name="Memento Mori"/> Halsey is apprehended after her unwitting communication with 'Mdama is discovered. Spartan Thorne rescues Dr. Glassman and the pair escape custody, with Gek 'Lhar tracking them down.<ref>'''Spartan Ops''', ''[[S1/Scattered|S1E6 - Scattered]]''</ref>
*Lasky sends Fireteam Majestic to rescue Dr. Halsey and stop Palmer.{{Ref/Reuse|Key}}
**Dr. Halsey learns that [[John-117]] is still alive. ''Infinity'' is boarded by Covenant and [[Promethean]] forces<ref name="Invasion">'''Spartan Ops''', ''[[S1/Invasion|S1E7 - Invasion]]''</ref> who capture the doctor. They take her to the [[Librarian's Rest|Librarian's "shrine"]], where 'Mdama awaits.<ref name="Expendable">'''Spartan Ops''', ''[[S1/Expendable|S1E8 - Expendable]]''</ref>
*The Librarian gives Dr. Halsey the [[Janus Key]], but Jul 'Mdama gets half of the key. Halsey gives Gabriel Thorne the other half before she is taken away.{{Ref/Reuse|Key}}
**Gek 'Lhar catches up to Thorne and Glassman, and is killed when Fireteam Majestic arrive.<ref name="Expendable"/>
*Fireteam Crimson unknowingly helps send the Librarian to the Absolute Record.
**[[Admiral]] [[Serin Osman]], head of the [[Office of Naval Intelligence]], orders Captain [[Thomas Lasky]] to kill Dr. Halsey.<ref name="Expendable"/> Commander Palmer is to execute the order.<ref name="Key">'''Spartan Ops''', ''[[S1/Key|S1E9 - Key]]''</ref>
*Jul 'Mdama sends Requiem on a collision course with its sun, [[Epoloch]].  
**Lasky sends Fireteam Majestic to rescue Dr. Halsey and stop Palmer.<ref name="Key"/>
*Fireteam Crimson, as well as Fireteam Majestic and Commander Palmer, head to shut down two respective artifacts on Requiem that hold ''Infinity'' in place and are successful. While the shield world is destroyed, UNSC ''Infinity'' narrowly escapes the planet's slipspace conduit.<ref name="Exodus">'''Spartan Ops''', ''[[S1/Exodus|S1E10 - Exodus]]''</ref>
**The Librarian gives Dr. Halsey the [[Janus Key]], but Jul 'Mdama gets half of the key. Halsey gives Gabriel Thorne the other half before she is taken away.<ref name="Key"/>
*Dr. Halsey agrees to cooperate with Jul 'Mdama and his forces, stating that she wants revenge.{{Ref/Reuse|Exodus}}
**Fireteam Crimson unknowingly helps send the Librarian to the Absolute Record.
**Jul 'Mdama sends Requiem on a collision course with its sun, [[Epoloch]].  
**Fireteam Crimson, as well as Fireteam Majestic and Commander Palmer, head to shut down two respective artifacts on Requiem that hold ''Infinity'' in place and are successful. While the shield world is destroyed, UNSC ''Infinity'' narrowly escapes the planet's slipspace conduit.<ref name="Exodus">'''Spartan Ops''', ''[[S1/Exodus|S1E10 - Exodus]]''</ref>
**Dr. Halsey agrees to cooperate with Jul 'Mdama and his forces, stating that she wants revenge.<ref name="Exodus"/>


'''February 18'''
*'''February 14''': ''Infinity's'' Atrium Park Valentine's Dance is scheduled to begin at 2015 hours.<ref name="packet"/>
*A "Saturday Night (Cage) Fight" is scheduled to take place aboard ''Infinity'', with the Spartans of [[Fireteam Sydney]] participating.{{Ref/Reuse|packet}}
 
'''February 21'''
*'''February 18''': A "Saturday Night (Cage) Fight" is scheduled to take place aboard ''Infinity'', with the Spartans of [[Fireteam Sydney]] participating.<ref name="packet"/>
*'''''Infinity'' Day''', marking the one-year anniversary of the flagship's commissioning ceremony. Festivities aboard the ship are to include a speech from Captain Lasky and ''Infinity''-themed cupcakes.{{Ref/Reuse|packet}}
 
'''February 25'''
*'''February 21''': '''''Infinity'' Day''', marking the one-year anniversary of the flagship's commissioning ceremony. Festivities aboard the ship are to include a speech from Captain Lasky and ''Infinity''-themed cupcakes.<ref name="packet"/>
*A chili cook-off organized by [[Jonathan Lowell|Master Chef Jonathan Lowell]] is scheduled to be held in ''Infinity''<nowiki>'</nowiki>s forward mess hall.{{Ref/Reuse|packet}}
 
*'''February 25''': A chili cook-off organized by [[Jonathan Lowell|Master Chef Jonathan Lowell]] is scheduled to be held in ''Infinity''<nowiki>'</nowiki>s forward mess hall.<ref name="packet"/>


===March===
===March===
'''March 3'''
*'''March 3'''
*Captain Lasky and Commander Palmer are debriefed by the [[UNSC Security Council]] at [[HIGHCOM Facility Bravo-6]]. The committee expresses misgivings of Lasky's handling of the [[Requiem Campaign]] and the failed assassination and escape of Dr. Halsey. [[Terrence Hood|Fleet Admiral Hood]] later tasks ''Infinity'' to escort him and the [[Arbiter]] on a diplomatic mission to [[Ealen IV]].<ref name="HE1">'''[[Halo: Escalation]]''', ''[[Halo: Escalation Issue 1|Issue #1]]''</ref>
**Captain Lasky and Commander Palmer are debriefed by the [[UNSC Security Council]] at [[HIGHCOM Facility Bravo-6]]. The committee expresses misgivings of Lasky's handling of the [[Requiem Campaign]] and the failed assassination and escape of Dr. Halsey. [[Terrence Hood|Fleet Admiral Hood]] later tasks ''Infinity'' to escort him and the [[Arbiter]] on a diplomatic mission to [[Ealen IV]].<ref name="HE1">'''[[Halo: Escalation]]''', ''[[Halo: Escalation Issue 1|Issue #1]]''</ref>
*Three ONI [[prowler]]s tasked to monitor the [[Swords of Sanghelios]] carrier ''[[Shadow of Intent]]'' are destroyed. These losses are not reported to the UNSC Navy.<ref>[https://forums.halowaypoint.com/yaf_postsm2969315_Catalog-Interaction.aspx#post2969315 '''Halo Waypoint''': ''Catalog Interaction - Page 14 (post 2969315)'']</ref>
**Three ONI [[prowler]]s tasked to monitor the [[Swords of Sanghelios]] carrier ''[[Shadow of Intent]]'' are destroyed. These losses are not reported to the UNSC Navy.<ref>[https://forums.halowaypoint.com/yaf_postsm2969315_Catalog-Interaction.aspx#post2969315 '''Halo Waypoint''': ''Catalog Interaction - Page 14 (post 2969315)'']</ref>
*A [[Catalog]] unit receives a request of take control of the Forerunner [[ecumene]] made by an unknown entity bearing the Didact's sigil.<ref>[https://forums.halowaypoint.com/yaf_postsm2969311_Catalog-Interaction.aspx#post2969311 '''Halo Waypoint''': ''Catalog Interaction - Page 14 (post 2969311)'']</ref>
**A [[Catalog]] unit receives a request of take control of the Forerunner [[ecumene]] made by an unknown entity bearing the Didact's sigil.<ref>[https://forums.halowaypoint.com/yaf_postsm2969311_Catalog-Interaction.aspx#post2969311 '''Halo Waypoint''': ''Catalog Interaction - Page 14 (post 2969311)'']</ref>
'''March 5'''
*'''[[Battle of Ealen IV]]''': ''Infinity'' arrives at Ealen IV. Lord Hood meets with [[Thel 'Vadam]] and the [[Jiralhanae]] [[Chieftain]] [[Lydus]]. While negotiating, the delegates come under attack from [[Vata 'Gajat's mercenary group|Covenant mercenaries]] working for a group of human insurgents, the [[New Colonial Alliance]]. The [[Spartan-IV]]s defend the ambassadors, who escape into a nearby parts depot.{{Ref/Reuse|HE1}}
*[[Shipmaster]] [[Vata 'Gajat]] arrives on Ealen IV to personally oversee the attack, while the ambassadors escape through a series of tunnels leading to a fortified redoubt in which they could take refuge in. Captain Lasky orders Commander Palmer and the protection detail to escort the delegation to the redoubt, while he and Spartan [[Naiya Ray]] try to reestablish communications with the fleet above the planet.<ref name="HE2">'''Halo: Escalation''', ''[[Halo: Escalation Issue 2|Issue #2]]''</ref>
*As [[Fireteam Jackknife]] arrive at the redoubt, Vladimir Scruggs betrays his team, killing them and the alien delegates' bodyguards. He then informs Commander Palmer that it is safe to bring the delegates into the redoubt.{{Ref/Reuse|HE2}}
*In orbit, the Sangheili and Jiralhanae ships begin to deploy forces against each other due to the ambiguity of the situation on the ground.{{Ref/Reuse|HE3}}
*Lasky and Ray destroy the reactor generating the Covenant jamming signal, restoring communications.<ref name="HE3">'''Halo: Escalation''', ''[[Halo: Escalation Issue 3|Issue #3]]''</ref>
*After the ambassadors and their security detail arrive in the redoubt, Scruggs ambushes them and holds Hood at gunpoint. Palmer shoots Hood in the leg and, in the resulting confusion, confronts and kills Scruggs.{{Ref/Reuse|HE3}}
*With the mercenaries bearing on the site in force, the ambassadors escape to ''Infinity'' aboard a [[Covenant cargo tug]]. [[Paul DeMarco]] sacrifices himself to cover the ambassadors' escape with [[Cheru-pattern Tyrant|Covenant AA guns]].{{Ref/Reuse|HE3}}
*''Infinity'' rallies the Sangheili and Jiralhanae fleets, prompting 'Gajat's fleet to retreat.{{Ref/Reuse|HE3}}
*A funeral ceremony is held aboard ''Infinity'' for the Spartans who died in the battle.{{Ref/Reuse|HE3}}
'''March 8'''
*Lasky and Hood discuss the likelihood of a severe security breach in the UNSC's organization, surmising that Scruggs could not have been the one who leaked the location of the negotiations.{{Ref/Reuse|HE3}}
*Lasky and Hood discuss enlisting [[Petra Janecek]]'s help in rooting out the spy who betrayed the Ealen IV delegation; flag officer is uneasy with Lasky's decision due to a conflict between Hood and Janecek.<ref name="HE4">'''Halo: Escalation''', ''[[Halo: Escalation Issue 4|Issue #4]]''</ref>
*Lasky and Ray leave ''Infinity'' abroad a prowler in order to recruit Janecek.{{Ref/Reuse|HE4}}
'''March 10'''
*Lasky and Ray meet with Janecek in [[Castiglione]] on [[Escala III]]. Petra agrees to help Lasky uncover the UNSC spy in return for information regarding the Master Chief.{{Ref/Reuse|HE4}}
'''March 11'''
*''Infinity'' is ambushed on a mission to rescue a damaged civilian [[freighter]], ''[[Pilgrims' Pride]]''. However, they come under attack by automated craft supposedly originating from the long-lost {{UNSCShip|Spirit of Fire}}.{{Ref/Reuse|HE4}}
*Petra Janecek, Captain Lasky and Spartan Ray travel to the Sangheili colony of [[Karava]] to uncover the identity of the UNSC [[Treason|traitor]]. Meeting Janecek's informant [[Zef 'Trahl]], they learn that the traitor is [[Daniel Clayton]], a former UNSC captain and the illegitimate son of ''Spirit of Fire''<nowiki>'</nowiki>s commanding officer (and Hood's mentor), [[James Cutter|Captain James Cutter]].{{Ref/Reuse|HE5}}
*The UNSC supposedly discover the whereabouts of ''Spirit of Fire'' using data from ''Pilgrims' Pride''. ''Infinity'' sets out to rescue the older ship. Upon arrival at the ''Spirit's'' supposed coordinates near [[Oth Lodon]], however, they find a [[Oth Lodon station|Covenant battlestation]] manned by the New Colonial Alliance. Having lured ''Infinity'' into a trap, Captain Daniel Clayton fires on the UNSC vessel with the station's [[energy projector]], killing executive officer [[Bradley|Commander Bradley]] and paralyzing Fleet Admiral Hood.<ref name="HE5">'''Halo: Escalation''', ''[[Halo: Escalation Issue 5|Issue #5]]''</ref>
*Clayton orders 'Gajat to stop the Spartans who are en route to the station, but 'Gajat decides to destroy ''Infinity'' instead. Fireteam Majestic and Commander Palmer board and secure the station, then destroy 'Gajat's [[Ceudar-pattern heavy corvette|corvette]] with the energy projector. Clayton is apprehended and transported to ''Infinity''.<ref name="HE6">'''Halo: Escalation''', ''[[Halo: Escalation Issue 6|Issue #6]]''</ref>
'''March 14'''
*The UNSC dispatch a trio of vessels to Oth Lodon to assist with repairs to ''Infinity'' and to monitor the captured space station.{{Ref/Reuse|HE6}}
*Lasky and Ray return to ''Infinity''. The captain insists that the recent ambush could have been avoided if he were present, though Palmer insists that Lord Hood is to blame.{{Ref/Reuse|HE6}}
*Hood visits Clayton and asks him why [[Admiral]] [[Mattius Drake]] wanted to destroy ''Infinity'' despite his attempt to [[Raid on UNSC Infinity|capture it]] [[2553#January|five years prior]]. Clayton tells Hood the New Colonial Alliance is stronger than before and have agents on every colony, as well as Earth. Hood orders Clayton's incarceration at ONI's [[Midnight Facility]], but Clayton insists that they will meet again and the UNSC will fall.{{Ref/Reuse|HE6}}


'''March 15'''
*'''March 5'''
*ONI is unable to find the trail of [[Atriox]] and the [[Banished]], who have disappeared some time before.<ref name="RoA6">'''Halo Wars 2''', ''[[Phoenix Logs]] — Rise of Atriox VI''</ref>
**'''[[Battle of Ealen IV]]''': ''Infinity'' arrives at Ealen IV. Lord Hood meets with [[Thel 'Vadam]] and the [[Jiralhanae]] [[Chieftain]] [[Lydus]]. While negotiating, the delegates come under attack from [[Vata 'Gajat's mercenary group|Covenant mercenaries]] working for a group of human insurgents, the [[New Colonial Alliance]]. The [[Spartan-IV]]s defend the ambassadors, who escape into a nearby parts depot.<ref name="HE1"/>
'''March 22'''
**[[Shipmaster]] [[Vata 'Gajat]] arrives on Ealen IV to personally oversee the attack, while the ambassadors escape through a series of tunnels leading to a fortified redoubt in which they could take refuge in. Captain Lasky orders Commander Palmer and the protection detail to escort the delegation to the redoubt, while he and Spartan [[Naiya Ray]] try to reestablish communications with the fleet above the planet.<ref name="HE2">'''Halo: Escalation''', ''[[Halo: Escalation Issue 2|Issue #2]]''</ref>
*After having a nightmare about the [[New Phoenix Incident]], [[Gabriel Thorne]] discusses it with [[Tedra Grant]]. Grant suggest Thorne the possibility of returning to [[New Phoenix]] for its reopening to see if his nightmares stop appearing after a visit to the city. After Grant's insistence, Thorne accepts.<ref name="HE7">'''Halo: Escalation''', ''[[Halo: Escalation Issue 7|Issue #7]]''</ref>
**As [[Fireteam Jackknife]] arrive at the redoubt, Vladimir Scruggs betrays his team, killing them and the alien delegates' bodyguards. He then informs Commander Palmer that it is safe to bring the delegates into the redoubt.<ref name="HE2"/>
'''March 24'''
**In orbit, the Sangheili and Jiralhanae ships begin to deploy forces against each other due to the ambiguity of the situation on the ground.<ref name="HE3"/>
*Eight months after the attack on New Phoenix, the city is lifted from its quarantine. The [[President of the Unified Earth Government|President of the UEG]], Dr. [[Ruth Charet]], presides over the reopening of the city.{{Ref/Reuse|HE7}}
**Lasky and Ray destroy the reactor generating the Covenant jamming signal, restoring communications.<ref name="HE3">'''Halo: Escalation''', ''[[Halo: Escalation Issue 3|Issue #3]]''</ref>
*Returning to New Phoenix, Spartan Thorne, accompanied by Grant, receives proper closure about [[Thorne family|his grandmother's]] death in the New Phoenix Incident.{{Ref/Reuse|HE7}}
**After the ambassadors and their security detail arrive in the redoubt, Scruggs ambushes them and holds Hood at gunpoint. Palmer shoots Hood in the leg and, in the resulting confusion, confronts and kills Scruggs.<ref name="HE3"/>
'''Around March 29'''
**With the Covenant bearing on the site in force, the ambassadors escape to ''Infinity'' aboard a [[Covenant cargo tug]]. [[Paul DeMarco]] sacrifices himself to cover the ambassadors' escape with [[Type-38 Tyrant|Covenant AA guns]].<ref name="HE3"/>
*The {{Class|Autumn|heavy cruiser}} {{UNSCShip|Unto the Breach}} is commissioned.{{Ref/Reuse|htt}}
**''Infinity'' rallies the Sangheili and Jiralhanae fleets, prompting 'Gajat's fleet to retreat.<ref name="HE3"/>
*War photographer and journalist [[Benjamin Giraud]] is hired by ONI's Senior Communications Director [[Michael Sullivan]] to write an in-depth profile on the Master Chief. After a time, Giraud starts to sense something is off and began finding hints of cover-ups, then resolves to establish the truth and perhaps discredit the dark rumors associated with John-117.<ref name="htt">'''[[Hunt the Truth]]'''</ref>
**A funeral ceremony is held aboard ''Infinity'' for the Spartans who died in the battle.<ref name="HE3"/>
*Human-Sangheili peace talks on [[Biko]] are [[Raid on Biko peace talks|violently disrupted]] by [[Sapien Sunrise]], a reactionary anti-alien movement. John-117 arrives to stop the terrorists, killing 19 bodyguards, nine of whom are confirmed Sapien Sunrise members. The Spartan escorts Outer Colonies ambassador [[Richard Sekibo]] and all but three of the alien diplomats off-world, though Sekibo soon dies from his injuries. The event is covered up by the UEG to make the Master Chief seem responsible for the attack. However, the Spartan is soon vindicated.{{Ref/Reuse|htt}}
 
*A signal is discovered by ONI after Dr. Catherine Halsey assisted them get into her archive. This later turns to ONI discovering the [[Guardian]] [[sigil]].<ref>'''[[Hunt the Signal]]'''</ref>
*'''March 8'''
'''Unknown date'''
**Lasky and Hood discuss the likelihood of a severe security breach in the UNSC's organization, surmising that Scruggs could not have been the one who leaked the location of the negotiations.<ref name="HE3"/>
*[[Benjamin Giraud]]'s findings regarding the Master Chief's past are publicly discredited by ONI and Giraud is imprisoned in [[Midnight Facility]].<ref name="htts2e1">'''Hunt the Truth''', ''Season 2 Episode 1: CUBE B-349''</ref>
**Lasky and Hood discuss enlisting [[Petra Janecek]]'s help in rooting out the spy who betrayed the Ealen IV delegation; flag officer is uneasy with Lasky's decision due to a conflict between Hood and Janecek.<ref name="HE4">'''Halo: Escalation''', ''[[Halo: Escalation Issue 4|Issue #4]]''</ref>
**Lasky and Ray leave ''Infinity'' abroad a prowler in order to recruit Janecek.<ref name="HE4"/>
 
*'''March 10''': Lasky and Ray meet with Janecek in [[Castiglione]] on [[Escala III]]. Petra agrees to help Lasky uncover the UNSC spy in return for information regarding the Master Chief.<ref name="HE4"/>
 
*'''March 11'''
**''Infinity'' is ambushed on a mission to rescue a damaged civilian [[freighter]], ''[[Pilgrims' Pride]]''. However, they come under attack by automated craft supposedly originating from the long-lost {{UNSCShip|Spirit of Fire}}.<ref name="HE4"/>
**Petra Janecek, Captain Lasky and Spartan Ray travel to the Sangheili colony of [[Karava]] to uncover the identity of the UNSC traitor. Meeting Janecek's informant [[Zef 'Trahl]], they learn that the traitor is [[Daniel Clayton]], a former UNSC captain and the illegitimate son of ''Spirit of Fire'''s commanding officer (and Hood's mentor), [[James Cutter|Captain James Cutter]].<ref name="HE5"/>
**The UNSC supposedly discover the whereabouts of ''Spirit of Fire'' using data from ''Pilgrims' Pride''. ''Infinity'' sets out to rescue the older ship. Upon arrival at the ''Spirit's'' supposed coordinates near [[Oth Lodon]], however, they find a [[Oth Lodon station|Covenant battlestation]] manned by the New Colonial Alliance. Having lured ''Infinity'' into a trap, Captain Daniel Clayton fires on the UNSC vessel with the station's [[energy projector]], killing executive officer [[Bradley|Commander Bradley]] and paralyzing Fleet Admiral Hood.<ref name="HE5">'''Halo: Escalation''', ''[[Halo: Escalation Issue 5|Issue #5]]''</ref>
**Clayton orders 'Gajat to stop the Spartans who are en route to the station, but 'Gajat decides to destroy ''Infinity'' instead. Fireteam Majestic and Commander Palmer board and secure the station, then destroy 'Gajat's [[SDV-class heavy corvette|corvette]] with the energy projector. Clayton is apprehended and transported to ''Infinity''.<ref name="HE6">'''Halo: Escalation''', ''[[Halo: Escalation Issue 6|Issue #6]]''</ref>
 
*'''March 14'''
**The UNSC dispatch a trio of vessels to Oth Lodon to assist with repairs to ''Infinity'' and to monitor the captured space station.<ref name="HE6"/>
**Lasky and Ray return to ''Infinity''. The captain insists that the recent ambush could have been avoided if he were present, though Palmer insists that Lord Hood is to blame.<ref name="HE6"/>
**Hood visits Clayton and asks him why [[Admiral]] [[Mattius Drake]] wanted to destroy ''Infinity'' despite his attempt to [[Raid on UNSC Infinity|capture it]] [[2553#January|five years prior]]. Clayton tells Hood the New Colonial Alliance is stronger than before and have agents on every colony, as well as Earth. Hood orders Clayton's incarceration at ONI's [[Midnight Facility]], but Clayton insists that they will meet again and the UNSC will fall.<ref name="HE6"/>
 
*'''March 15''': ONI is unable to find the trail of [[Atriox]] and the [[Banished]], who have disappeared some time before.<ref name="RoA6">'''Halo Wars 2''', ''[[Phoenix Logs]] — Rise of Atriox VI''</ref>
 
*'''March 22''': After having a nightmare about the [[New Phoenix Incident]], [[Gabriel Thorne]] discusses it with [[Tedra Grant]]. Grant suggest Thorne the possibility of returning to [[New Phoenix]] for its reopening to see if his nightmares stop appearing after a visit to the city. After Grant's insistence, Thorne accepts.<ref name="HE7">'''Halo: Escalation''', ''[[Halo: Escalation Issue 7|Issue #7]]''</ref>
 
*'''March 24'''
**Eight months after the attack on New Phoenix, the city is lifted from its quarantine. The [[President of the Unified Earth Government|President of the UEG]], Dr. [[Ruth Charet]], presides over the reopening of the city.<ref name="HE7"/>
**Returning to New Phoenix, Spartan Thorne, accompanied by Grant, receives proper closure about [[Thorne family|his grandmother's]] death in the New Phoenix Incident.<ref name="HE7"/>
 
*'''Around March 29'''
**The {{Class|Autumn|heavy cruiser}} {{UNSCShip|Unto the Breach}} is commissioned.<ref name="htt"/>
**War photographer and journalist [[Benjamin Giraud]] is hired by ONI's Senior Communications Director [[Michael Sullivan]] to write an in-depth profile on the Master Chief. After a time, Giraud starts to sense something is off and began finding hints of cover-ups, then resolves to establish the truth and perhaps discredit the dark rumors associated with John-117.<ref name="htt">'''[[Hunt the Truth]]'''</ref>
**Human-Sangheili peace talks on [[Biko]] are [[Raid on Biko peace talks|violently disrupted]] by [[Sapien Sunrise]], a reactionary anti-alien movement. John-117 arrives to stop the terrorists, killing 19 bodyguards, nine of whom are confirmed Sapien Sunrise members. The Spartan escorts Outer Colonies ambassador [[Richard Sekibo]] and all but three of the alien diplomats off-world, though Sekibo soon dies from his injuries. The event is covered up by the UEG to make the Master Chief seem responsible for the attack. However, the Spartan is soon vindicated.<ref name="htt"/>
**A signal is discovered by ONI after Dr. Catherine Halsey assisted them get into her archive. This later turns to ONI discovering the [[Guardian]] [[sigil]].<ref>'''[[Hunt the Signal]]'''</ref>
*'''Unknown date'''
**[[Benjamin Giraud]]'s findings regarding the Master Chief's past are publicly discredited by ONI and Giraud is imprisoned in [[Midnight Facility]].<ref name="htts2e1">'''Hunt the Truth''', ''Season 2 Episode 1: CUBE B-349''</ref>


===April===
===April===
'''April 2'''
*'''April 2''': [[Xenoarchaeology|Archaeologist]] [[Nathaniel Palmer]] expresses optimism in his personal diary regarding the future of his team's research on [[Installation 00]].<ref>[https://www.halowaypoint.com/en-us/news/log-of-war '''Halo Waypoint''': ''Canon Fodder - Log of War'']</ref>
*[[Xenoarchaeology|Archaeologist]] [[Nathaniel Palmer]] expresses optimism in his personal diary regarding the future of his team's research on [[Installation 00]].<ref>[https://www.halowaypoint.com/en-us/news/log-of-war '''Halo Waypoint''': ''Canon Fodder - Log of War'']</ref>
 
'''April 15-April 17'''
*'''April 15-April 17''': Roughly a month after the events at Oth Lodon, ''Infinity'' is fully repaired.<ref name="HE7"/>
*Roughly a month after the events at Oth Lodon, ''Infinity'' is fully repaired.{{Ref/Reuse|HE7}}
 
*Around this month, the [[Keepers of the One Freedom]] enter into a temporary alliance with the Banished.<ref>''[[Halo: Shadows of Reach]]'', Chapter 3</ref>
*Around this month, the [[Keepers of the One Freedom]] enter into a temporary alliance with the Banished.<ref>''[[Halo: Shadows of Reach]]'', Chapter 3</ref>


===May===
===May===
'''May 8'''
*'''May 8''': A UNSC [[spy drone]] investigates a Covenant [[bioweapon]] research laboratory on [[Ven III]].<ref name="HE11">'''Halo: Escalation''', ''[[Halo: Escalation Issue 11|Issue #11]]''</ref>
*A UNSC [[spy drone]] investigates a former Covenant [[bioweapon]] research laboratory on [[Ven III]].<ref name="HE11">'''Halo: Escalation''', ''[[Halo: Escalation Issue 11|Issue #11]]''</ref>
'''May 9-May 10'''
*Spartans Ray and Thorne are assigned to a secret mission to capture [[Ayit 'Sevi]] (whose identity is withheld from them), a Sangheili in possession of the bioweapon unleashed on Ven III.{{Ref/Reuse|HE11}}
*Thorne is captured and Ray discovers a major hideout for Kig-Yar pirates. Consequently, Captain Lasky decides to intervene and has ''Infinity'' head for Ven III.<ref name="HE12">'''Halo: Escalation''', ''[[Halo: Escalation Issue 11|Issue #12]]''</ref>
*Arriving at Ven III, ''Infinity'' is met by the [[Kig-Yar pirate queen]]'s fleet and an [[Space warfare|orbital engagement]] ensues.{{Ref/Reuse|HE12}}
*One of ''Infinity''<nowiki>'</nowiki>s [[Longsword]] fighters destroys the pirate hideout with two HAVOK missiles.{{Ref/Reuse|HE12}}
*Ray pursues the Sangheili agent and disables his Ghost outside the base. Before she can take any further action, a [[prowler]] lands nearby and [[ONI]] agents lead 'Sevi inside under Admiral Osman's orders.{{Ref/Reuse|HE12}}
*Thorne is rescued by Fireteam Majestic and Palmer, and returns to ''Infinity''.{{Ref/Reuse|HE12}}
'''Unknown date'''
*Lasky and Palmer speculate that ONI intentionally had ''Infinity'' get involved in the mission so the Kig-Yar pirates would be eliminated, after HIGHCOM failed to get involved six months ago. They conclude that the incident with the bioweapon was set up by ONI and the Sangheili agent was working for them.{{Ref/Reuse|HE12}}


===June===
*'''May 9-May 10'''
'''Circa June 25'''
**Spartans Ray and Thorne are assigned to a secret mission to capture [[Ayit 'Sevi]] (whose identity is withheld from them), a Sangheili in possession of the bioweapon unleashed on Ven III.<ref name="HE11"/>
*A [[viral hemorrhagic fever]] strikes the town of [[Sandholm]] on [[Carrow]].{{Ref/Reuse|Oasis}}
**Thorne is captured and Ray discovers a major hideout for Kig-Yar pirates. Consequently, Captain Lasky decides to intervene and has ''Infinity'' head for Ven III.<ref name="HE12">'''Halo: Escalation''', ''[[Halo: Escalation Issue 11|Issue #12]]''</ref>
'''June 25'''
**Arriving at Ven III, ''Infinity'' is met by the [[Kig-Yar pirate queen]]'s fleet and an [[Space warfare|orbital engagement]] ensues.<ref name="HE12"/>
*[[Dahlia]] falls ill from the VHF and her parents take care of her.{{Ref/Anthology|Id=Oasis|Halo: Fractures|Oasis}}
**One of ''Infinity''<nowiki>'</nowiki>s [[Longsword]] fighters destroys the pirate hideout with two HAVOK missiles.<ref name="HE12"/>
'''Between June 25 and July 2'''
**Ray pursues the Sangheili agent and disables his Ghost outside the base. Before she can take any further action, a [[prowler]] lands nearby and [[ONI]] agents lead 'Sevi inside under Admiral Osman's orders.<ref name="HE12"/>
*In the next days, more people on Sandholm die from the hemorrhagic fever, including Sandholm's doctor. Sandholm's communication repeater is damaged from a sandstorm.{{Ref/Reuse|Oasis}}
**Thorne is rescued by Fireteam Majestic and Palmer, and returns to ''Infinity''.<ref name="HE12"/>
 
*'''Unknown date'''
**Lasky and Palmer speculate that ONI intentionally had ''Infinity'' get involved in the mission so the Kig-Yar pirates would be eliminated, after HIGHCOM failed to get involved six months ago. They conclude that the incident with the bioweapon was set up by ONI and the Sangheili agent was working for them.<ref name="HE12"/>


===July===
===July===
'''July'''
*'''Unknown date''': Tensions between [[Sangheili]] and human colonists on [[Carrow]] erupt into open hostility.
*Tensions between [[Sangheili]] and human colonists on [[Carrow]] erupt into open hostility.
'''July 2'''
*Dahlia awakens from her coma, but discovers her parents are also ill from the disease.{{Ref/Reuse|Oasis}}
'''July 15'''
*Dr. Catherine Halsey makes a personal journal entry on her views on the Forerunners and their technology, her contribution to humanity's survival and subsequent condemnation by the UNSC, as well as her encounter with the Librarian on Requiem. Despite the UNSC turning against her, she remains determined to combine the halves of the [[Janus Key]] and take them to the [[Absolute Record]] to fulfill the Librarian's plan.<ref name="HE13">'''Halo: Escalation''', ''[[Halo: Escalation Issue 13|Issue #13]]''</ref>
'''July 16'''
*[[Oban]] is [[Battle of Oban|attacked]] by Jul 'Mdama's Covenant and his Promethean allies. Spartans and UNSC Marines successfully defeat 'Mdama's forces in [[Saviron]].{{Ref/Reuse|HE13}}
'''July 17'''
*Captain Lasky and Commander Palmer discuss 'Mdama's assault on Oban. Lasky points out Palmer's frustration to find Dr. Halsey and reveals he wants Halsey back in custody. Palmer objects to having Halsey brought back and expresses her to desire to eliminate Halsey instead.{{Ref/Reuse|HE13}}
'''July 18'''
*Dr. Halsey and Jul 'Mdama use a [[Requiem communication artifact|Forerunner artifact]] to trap ''Infinity'' in an uncharted system, preventing the ship from making slipspace jumps. Halsey intends to force the UNSC to give her their half of the Janus Key by luring them on a local planet using an energy source emanating from the surface. Aboard ''Infinity'', Commander Palmer decides to lead a Spartan team to investigate the source of the signal on the planet.{{Ref/Reuse|HE13}}
'''July 19'''
*The crew of UNSC ''Infinity'' track the source of interference to an island on [[Aktis IV]]. Commander Palmer and Fireteam Majestic eliminate a small group of 'Mdama's Covenant forces protecting a Forerunner structure on the island.<ref name="HE14">'''Halo: Escalation''', ''[[Halo: Escalation Issue 14|Issue #14]]''</ref>
*Upon discovering an artifact within the structure that is seemingly compatible with the Janus Key, the UNSC half of the Key is brought down to the island. Having created the artifact to fool the UNSC at the suggestion of Halsey, Jul 'Mdama's forces prepare to ambush the UNSC aircraft carrying the Janus Key to take it for themselves.{{Ref/Reuse|HE14}}
*[[Sali 'Nyon's Covenant|A rogue splinter group]] of 'Mdama's Covenant shoots down the UNSC aircraft and takes the Janus Key half for themselves, with its leader, [[Sali 'Nyon]], inciting a rebellion among 'Mdama's forces.{{Ref/Reuse|HE14}}
*Jul 'Mdama's concealed fleet emerges from Aktis IV's foam ocean and [[Battle of Aktis IV|engages]] ''Infinity'' and the UNSC ground forces. The Spartans and Dr. Glassman barricade themselves in the Forerunner structure.{{Ref/Reuse|HE14}}
'''July 20'''
*After seven hours of conflict, ''Infinity'' remains engaged by 'Mdama's fleet over Aktis IV.<ref name="HE15">'''Halo: Escalation''', ''[[Halo: Escalation Issue 15|Issue #15]]''</ref>
*The Spartans and Dr. Glassman use the local [[teleportation grid]] to escape the besieged Forerunner structure. Palmer, Ray, and Thorne take a portal to the jungle, intending to locate Halsey, while Grant leads the rest of Fireteam Majestic and Dr. Glassman to the other end of the island where UNSC reinforcements have been deployed.{{Ref/Reuse|HE15}}
*With Sali 'Nyon's rebellion ongoing in 'Mdama's Covenant ranks, one Sangheili of 'Nyon's faction becomes disillusioned with the rebellion, steals 'Nyon's half of the Janus Key, and offers it to 'Mdama's forces. Dr. Halsey personally travels to the planet to claim the Key.{{Ref/Reuse|HE15}}
*Commander Palmer's team observe the Sangheili defector in the jungle and wait for Dr. Halsey to arrive in order to ambush her.{{Ref/Reuse|HE15}} A firefight subsequently ensues between the Spartans and Halsey's Sangheili escort.<ref name="HE16">'''Halo: Escalation''', ''[[Halo: Escalation Issue 16|Issue #16]]''</ref>
*Sali 'Nyon's rebellion is stopped by Jul 'Mdama and his forces, with 'Nyon captured and all his followers killed.{{Ref/Reuse|HE16}}
*Palmer captures Dr. Halsey, but the doctor clouds Palmer's judgment momentarily and escapes. Palmer gives chase, only to be incapacitated by a {{Pattern|Za'zayara|Harvester}}. Halsey contacts Jul 'Mdama and is picked up by a Phantom.{{Ref/Reuse|HE16}}
'''July 23'''
*Aboard ''Infinity'', Lasky converses with Palmer concerning the events on Aktis IV while two ONI agents demand an audience with her. Palmer informs Lasky that because of her failure, Halsey and 'Mdama are now in possession of both halves of the Janus Key.{{Ref/Reuse|HE16}}
*Jul 'Mdama and Dr. Halsey recombine the halves of the Janus Key, pinpoint the location of the Absolute Record, and set course there.{{Ref/Reuse|HE16}}


'''July'''
*'''July 15''': Dr. Catherine Halsey makes a personal journal entry on her views on the Forerunners and their technology, her contribution to humanity's survival and subsequent condemnation by the UNSC, as well as her encounter with the Librarian on Requiem. Despite the UNSC turning against her, she remains determined to combine the halves of the [[Janus Key]] and take them to the [[Absolute Record]] to fulfill the Librarian's plan.<ref name="HE13">'''Halo: Escalation''', ''[[Halo: Escalation Issue 13|Issue #13]]''</ref>
*The UNSC ''Infinity'' undergoes a full retrofit above [[Earth]] while undergoing repairs following the events at Aktis IV. Several modules constructed for its developing sister ship, the {{UNSCShip|Eternity}} among other resources are redirected to supplant the ''Infinity'' and her subsystems. The ''Infinity'' returns to service after a month in drydock.<ref>''[[Halo: Warfleet]]'', p. 42-43</ref>
 
*'''July 16''': [[Oban]] is [[Battle of Oban|attacked]] by Jul 'Mdama's Covenant and his Promethean allies. Spartans and UNSC Marines successfully defeat 'Mdama's forces in [[Saviron]].<ref name="HE13"/>
 
*'''July 17''': Captain Lasky and Commander Palmer discuss 'Mdama's assault on Oban. Lasky points out Palmer's frustration to find Dr. Halsey and reveals he wants Halsey back in custody. Palmer objects to having Halsey brought back and expresses her to desire to eliminate Halsey instead.<ref name="HE13"/>
 
*'''July 18''': Dr. Halsey and Jul 'Mdama use a [[Requiem communication artifact|Forerunner artifact]] to trap ''Infinity'' in an uncharted system, preventing the ship from making slipspace jumps. Halsey intends to force the UNSC to give her their half of the Janus Key by luring them on a local planet using an energy source emanating from the surface. Aboard ''Infinity'', Commander Palmer decides to lead a Spartan team to investigate the source of the signal on the planet.<ref name="HE13"/>
 
*'''July 19'''
**The crew of UNSC ''Infinity'' track the source of interference to an island on [[Aktis IV]]. Commander Palmer and Fireteam Majestic eliminate a small Covenant force protecting a Forerunner structure on the island.<ref name="HE14">'''Halo: Escalation''', ''[[Halo: Escalation Issue 14|Issue #14]]''</ref>
**Upon discovering an artifact within the structure that is seemingly compatible with the Janus Key, the UNSC half of the Key is brought down to the island. Having created the artifact to fool the UNSC at the suggestion of Halsey, Jul 'Mdama's forces prepare to ambush the UNSC aircraft carrying the Janus Key to take it for themselves.<ref name="HE14"/>
**[[Sali 'Nyon's Covenant|A rogue splinter group]] of 'Mdama's Covenant shoots down the UNSC aircraft and takes the Janus Key half for themselves, with its leader, [[Sali 'Nyon]], inciting a rebellion among 'Mdama's forces.<ref name="HE14"/>
**Jul 'Mdama's concealed fleet emerges from Aktis IV's foam ocean and [[Battle of Aktis IV|engages]] ''Infinity'' and the UNSC ground forces. The Spartans and Dr. Glassman barricade themselves in the Forerunner structure.<ref name="HE14"/>
 
*'''July 20'''
**After seven hours of conflict, ''Infinity'' remains engaged by 'Mdama's fleet over Aktis IV.<ref name="HE15">'''Halo: Escalation''', ''[[Halo: Escalation Issue 15|Issue #15]]''</ref>
**The Spartans and Dr. Glassman use the local [[teleportation grid]] to escape the besieged Forerunner structure. Palmer, Ray, and Thorne take a portal to the jungle, intending to locate Halsey, while Grant leads the rest of Fireteam Majestic and Dr. Glassman to the other end of the island where UNSC reinforcements have been deployed.<ref name="HE15"/>
**With Sali 'Nyon's rebellion ongoing in the Covenant's ranks, one Sangheili of 'Nyon's faction becomes disillusioned with the rebellion, steals 'Nyon's half of the Janus Key, and offers it to 'Mdama's forces. Dr. Halsey personally travels to the planet to claim the Key.<ref name="HE15"/>
**Commander Palmer's team observe the Sangheili defector in the jungle and wait for Dr. Halsey to arrive in order to ambush her.<ref name="HE15"/> A firefight subsequently ensues between the Spartans and Halsey's Sangheili escort.<ref name="HE16">'''Halo: Escalation''', ''[[Halo: Escalation Issue 16|Issue #16]]''</ref>
**Sali 'Nyon's rebellion is stopped by Jul 'Mdama and his forces, with 'Nyon captured and all his followers killed.<ref name="HE16"/>
**Palmer captures Dr. Halsey, but the doctor clouds Palmer's judgment momentarily and escapes. Palmer gives chase, only to be incapacitated by a Covenant [[Type-58 Harvester|Harvester]]. Halsey contacts Jul 'Mdama and is picked up by a Phantom.<ref name="HE16"/>
 
*'''July 23'''
**Aboard ''Infinity'', Lasky converses with Palmer concerning the events on Aktis IV while two ONI agents demand an audience with her. Palmer informs Lasky that because of her failure, Halsey and 'Mdama are now in possession of both halves of the Janus Key.<ref name="HE16"/>
**Jul 'Mdama and Dr. Halsey recombine the halves of the Janus Key, pinpoint the location of the Absolute Record, and set course there.<ref name="HE16"/>
 
*'''Unknown date'''
**The UNSC ''Infinity'' undergoes a full retrofit above [[Earth]] while undergoing repairs following the events at Aktis IV. Several modules constructed for its developing sister ship, the {{UNSCShip|Eternity}} among other resources are redirected to supplant the ''Infinity'' and her subsystems. The ''Infinity'' returns to service after a month in drydock.<ref>''[[Halo: Warfleet]]'', p. 42-43</ref>


===August===
===August===
'''August 11'''
*'''August 11''': A shipment of a Warthog, three Mongooses, and five Pelicans is received on Meridian from a dealer nicknamed [[Bozo]].<ref>'''Halo 5: Guardians''', campaign level, ''[[Glassed]]'' - [[Mission Intel]]</ref>
*A shipment of a Warthog, three Mongooses, and five Pelicans is received on Meridian from a dealer nicknamed [[Bozo]].<ref>'''Halo 5: Guardians''', campaign level, ''[[Glassed]]'' - [[Mission Intel]]</ref>


===September===
===September===
'''September 1'''
*'''September 1'''
*[[Fireteam Apollo]] is ordered to report to ''Infinity'' by this date.
** [[Fireteam Apollo]] is ordered to report to ''Infinity'' by this date.
*[[Melody Azikiwe]] revives [[Gray Team]] from cryo, [[Thars 'Sarov]] fights [[Rojka 'Kasaan]] above the planet [[Carrow]], and [[Hekabe]] begins his attack on [[Suraka]]. {{Ref/Novel|Env|Chapter=1}}
** [[Melody Azikiwe]] revives [[Gray Team]] from cryo, [[Thars 'Sarov]] fights [[Rojka 'Kasaan]] above the planet [[Carrow]], and [[Hekabe]] begins his attack on [[Suraka]]. {{Ref/Novel|Env|Chapter=1}}
'''September 15'''
 
*Admiral Serin Osman briefs ONI officers about [[Operation: ATHENA]]. A five-member team consisting of Spartan Palmer, Spartan Thorne, Spartan [[Tanaka]], [[Ayit 'Sevi]], and Dr. Glassman is assembled to infiltrate Jul 'Mdama's fleet and relay the location of the Absolute Record for UNSC reinforcements.<ref name="HE19">'''Halo: Escalation''', ''[[Halo: Escalation Issue 19|Issue #19]]''</ref>
*'''September 15''': Admiral Serin Osman briefs ONI officers about [[Operation: ATHENA]]. A five-member team consisting of Spartan Palmer, Spartan Thorne, Spartan [[Tanaka]], [[Ayit 'Sevi]], and Dr. Glassman is assembled to infiltrate Jul 'Mdama's fleet and relay the location of the Absolute Record for UNSC reinforcements.<ref name="HE19">'''Halo: Escalation''', ''[[Halo: Escalation Issue 19|Issue #19]]''</ref>
'''September 17'''
 
*The team stows away aboard 'Mdama's Covenant assault carrier ''[[Breath of Annihilation]]'' just before the fleet makes the jump toward the Absolute Record.{{Ref/Reuse|HE19}}
*'''September 17'''
*Jul's fleet exits slipstream space near a gas giant. While reaching their destination, multiple slipspace portals appear and damage several ships of the fleet, including ''Breath of Annihilation''.{{Ref/Reuse|HE19}}
**The team stows away aboard the Covenant assault carrier ''[[Breath of Annihilation]]'' just before Jul's fleet makes the jump toward the Absolute Record.<ref name="HE19"/>
'''September 18'''
**Jul's fleet exits slipstream space near a gas giant. While reaching their destination, multiple slipspace portals appear and damage several ships of the fleet, including ''Breath of Annihilation''.<ref name="HE19"/>
*Despite Halsey's attempts to win access to the Absolute Record, including hacking its Custodian, [[Invariant Bias]], the ancilla denies Halsey access to the Record and snatches her the Janus Key.
*The Absolute Record is damaged by Jul's forces, forcing the Record to retreat into the slipspace. While the UNSC team manages to escape through a tanslocation portal, Halsey is rescued by Jul's forces.
*Onboard the ''[[Breath of Annihilation]]'', Ayit 'Sevi frees Sali 'Nyon and convinces him to capture the ''Annihilation'' for himself. Sali 'Nyon successfully captures the ship and departs to Sangheili space. The UNSC team reappears onboard the ''Breath of Annihilation'' and Ayit manages to hide them until they reach the Sangheili space, rendezvous with an ONI Prowler.
*A battle between Jul's and Sali's fleets erupts, but the battle ends in stalemate.


'''September'''
*'''Unknown'''
*The UNSC ''Infinity'' receives a full systems upgrade as well as scheduled maintenance. In the process, several modules from the incomplete {{UNSCShip|Eternity}} are used to supplant those on the ''Infinity'', leading to the replacement of several non-essential weapon systems.<ref name="wf infinity">'''[[Halo: Warfleet]]''', ''pages 42-43''</ref>
**The UNSC ''Infinity'' receives a full systems upgrade as well as scheduled maintenance. In the process, several modules from the incomplete {{UNSCShip|Eternity}} are used to supplant those on the ''Infinity'', leading to the replacement of several non-essential weapon systems.<ref name="wf infinity">'''[[Halo: Warfleet]]''', ''pages 42-43''</ref>


===October===
===October===
'''October 13''':
*'''October 17'''
*'''0340''': [[Ram Chalva]] is interrogated by [[KT-49683-9]] about Rion and Spark's location.<ref>'''Halo: Point of Light''', ''Chapter 33''</ref>
**Around this date, the [[MJOLNIR Powered Assault Armor/Mark VII|Mark VII]] is used as the testbed for the [[MJOLNIR Powered Assault Armor (GEN3)|[GEN3]]] improvements, but it remained uncertain if manufacturers would adopt the standards and cost accounting by the [[Unified Earth Government]].<ref name="HOSFM">'''[[Halo: Official Spartan Field Manual]]''' ''- Page  179''</ref><ref name="HOSFMDate">'''Halo: Official Spartan Field Manual''' ''- Page  11''</ref>
'''October 17'''
**A [[Unidentified Spartan-IV recruit|Spartan-IV]] is assigned to the UNSC ''Infinity'', with Spartans Gabriel Thorne and Tedra Grant being assigned to guide him.<ref>'''Halo: Official Spartan Field Manual''' ''- Pages 8 & 9''</ref>
*Around this date, the [[MJOLNIR Powered Assault Armor/Mark VII|Mark VII]] is used as the testbed for the [[MJOLNIR Powered Assault Armor (GEN3)|[GEN3]]] improvements, but it remained uncertain if manufacturers would adopt the standards and cost accounting by the [[Unified Earth Government]].<ref name="HOSFM">'''[[Halo: Official Spartan Field Manual]]''' ''- Page  179''</ref><ref name="HOSFMDate">'''Halo: Official Spartan Field Manual''' ''- Page  11''</ref>
**The UNSC ''Infinity'' prepares to leave Sol system in the next 24 hours and assault Jul's Covenant in Kamchatka, [[Caspar system]], as part of [[Operation: ANCHORITE]].<ref name="HOSFMDate"/>
*A [[Unidentified Spartan-IV recruit|Spartan-IV]] is assigned to the UNSC ''Infinity'', with Spartans Gabriel Thorne and Tedra Grant being assigned to guide him.<ref>'''Halo: Official Spartan Field Manual''' ''- Pages 8 & 9''</ref>
**By this date, news about the attacks on [[Ursa IV]] and Oban reach the UNSC.<ref name="HOSFMDate"/>
*The UNSC ''Infinity'' prepares to leave Sol system in the next 24 hours and assault Jul's Covenant in Kamchatka, [[Caspar system]], as part of [[Operation: ANCHORITE]].{{Ref/Reuse|HOSFMDate}}
*By this date, news about the attacks on [[Ursa IV]] and Oban reach the UNSC.{{Ref/Reuse|HOSFMDate}}
'''Within 72 hours of October 17'''
*Forerunner [[Guardian|anomalies]] similar to those on Ursa IV and Oban occurred on [[Queen Anne VI]], [[Adelaide]], and [[Conrad's Point]].<ref name="h5goc">'''[[Halo 5: Guardians Opening Cinematic]]'''</ref>
*[[Fireteam Osiris]], led by [[Jameson Locke]], is deployed to [[Kamchatka]] to rescue Dr. Halsey after she contacts the UNSC and claims to have information regarding the Forerunner attacks. They encounter an ongoing [[Battle of Kamchatka|battle]] between a contingent of [[Jul 'Mdama's Covenant]] and Promethean forces. Fighting their way through the chaos, they not only succeed in retrieving Halsey, but kill Jul 'Mdama in the process, dealing a crippling blow to his Covenant.<ref name="h5g">'''Halo 5: Guardians'''</ref>
'''Before October 23'''
'''Before October 23'''
*Followers of the [[Triad]] spread their beliefs on social media sites.<ref>[https://twitter.com/OurThreeLives '''Twitter''': ''The Triad'']</ref>
**Followers of the [[Triad]] spread their beliefs on social media sites.<ref>[https://twitter.com/OurThreeLives '''Twitter''': ''The Triad'']</ref>
*ONI agent [[Maya Sankar]] is paired with the AI [[Black-Box]] and reassigned to Conrad's Point under the cover identity of "FERO" (her alter-ego as an Insurrectionist demagogue). Her mission is to infiltrate the [[New Colonial Alliance|NCA]] forces in control of the colony and investigate the nature of the anomalies.{{Ref/Reuse|htts2e1}}<ref>'''Hunt the Truth''', ''Season 2 - Failed Transmission''</ref>
**Over a period of 72 hours, five human colonies, including Ursa IV, Oban, [[Queen Anne VI]], [[Adelaide]], and [[Conrad's Point]], are devastated by Forerunner [[Guardian|anomalies]].<ref name="h5goc">'''[[Halo 5: Guardians Opening Cinematic]]'''</ref>
'''October 23'''
**ONI agent [[Maya Sankar]] is paired with the AI [[Black-Box]] and reassigned to Conrad's Point under the cover identity of "FERO" (her alter-ego as an Insurrectionist demagogue). Her mission is to infiltrate the [[New Colonial Alliance|NCA]] forces in control of the colony and investigate the nature of the anomalies.<ref name="htts2e1"/><ref>'''Hunt the Truth''', ''Season 2 - Failed Transmission''</ref>
*[[Blue Team]] is deployed on a mission to recover the ONI research vessel ''[[Argent Moon]]''. After being contacted by [[Cortana]], John-117 decides to go to [[Meridian]] in search of her, using the ONI [[Winter-class prowler|prowler]] ''[[ONI Acrisius|Acrisius]]'', disobeying orders to return to ''Infinity''. The other members of Blue Team follow him. Blue Team is subsequently declared AWOL.{{Ref/Reuse|h5g}}
**[[Fireteam Osiris]], led by [[Jameson Locke]], is deployed to [[Kamchatka]] to rescue Dr. Halsey after she contacts the UNSC and claims to have information regarding the Forerunner attacks. They encounter an ongoing [[Battle of Kamchatka|battle]] between a contingent of [[Jul 'Mdama's Covenant]] and Promethean forces. Fighting their way through the chaos, they not only succeed in retrieving Halsey, but kill Jul 'Mdama in the process, dealing a crippling blow to the Covenant.<ref name="h5g">'''Halo 5: Guardians'''</ref>
'''October 24'''
 
*Fireteam Osiris is given operation orders to apprehend Blue Team and the prowler they took, though capturing John-117 is priority.
*'''October 23''': [[Blue Team]] is deployed on a mission to recover the ONI research vessel ''[[Argent Moon]]''. After being contacted by [[Cortana]], John-117 decides to go to [[Meridian]] in search of her, using the ONI [[Winter-class prowler|prowler]] ''[[ONI Acrisius|Acrisius]]'', disobeying orders to return to ''Infinity''. The other members of Blue Team follow him. Blue Team is subsequently declared AWOL.<ref name="h5g"/>
'''October 25'''
 
*'''1100''': Fireteam Osiris arrives in [[Pelican]] [[Kilo 97]] at Meridian.{{Ref/Novel|Id=HBBAG|BatB|Detail=Adjunct - [[Glassed (short story)|Glassed]]}}
*'''October 24''': Fireteam Osiris is given operation orders to apprehend Blue Team and the prowler they took, though capturing John-117 is priority.
*Blue Team heads to [[Meridian Station]] and is recorded though several means.<ref>[https://www.youtube.com/watch?v=jBCAtGvTi-Y '''YouTube''': ''Halo 5 Trailer: A Hero Falls LIVE ACTION TRAILER'']</ref>{{Ref/Note|Despite various trailers and media showing Blue team running through Meridian while parts of the Guardian wake at 0833 hours, this has become impossible due to the release of the short story Glassed as featured in the Adjunct of the Halo: Battle Born re-release in 2024.}}
 
*Fireteam Osiris is deployed to [[Meridian]] to apprehend the AWOL [[Blue Team]].{{Ref/Reuse|h5g}} The team arrives to find residents under attack by [[Promethean]] constructs. Osiris helps defend the colony and gains the favor of [[Governor Sloan]], who points them in Blue Team's direction. Osiris confronts Blue Team outside a buried Forerunner [[Guardian]], but John-117 subdues Spartan Locke and Blue Team boards the construct. As the Guardian emerges, causing untold damage to the colony, Osiris backtracks to the colony's [[space elevator]] and manages to escape the catastrophe. Meanwhile, the Guardian departs via [[slipspace]] to the Forerunner world of [[Genesis]].{{Ref/Reuse|h5g}}
*'''October 25'''
'''October 26'''
**'''0833''': Blue Team heads to [[Meridian Station]] and is recorded though several means.<ref>[https://www.youtube.com/watch?v=jBCAtGvTi-Y '''YouTube''': ''Halo 5 Trailer: A Hero Falls LIVE ACTION TRAILER'']</ref>
*In the aftermath of the Meridian Guardian, five more human colony worlds experience a Guardian emergence, bringing the total to eleven.{{Ref/Reuse|h5g}}
**Fireteam Osiris is deployed to [[Meridian]] to apprehend the AWOL [[Blue Team]].<ref name="h5g"/> They team arrives to find residents under attack by [[Promethean]] constructs. Osiris helps defend the colony and gains the favor of [[Governor Sloan]], who points them in Blue Team's direction. Osiris confronts Blue Team outside a buried Forerunner [[Guardian]], but John-117 subdues Spartan Locke and Blue Team boards the construct. As the Guardian emerges, causing untold damage to the colony, Osiris backtracks to the colony's [[space elevator]] and manages to escape the catastrophe. Meanwhile, the Guardian departs via [[slipspace]] to the Forerunner world of [[Genesis]].<ref name="h5g"/>
*Aboard {{UNSCShip|Infinity}}, the AI [[Roland]] deciphers the destination coordinates of the Meridian Guardian. Dr. Halsey deduces that Osiris can follow Blue Team by inputting those coordinates in a dormant Guardian, one of which can be found on [[Sanghelios]].{{Ref/Reuse|h5g}}
 
*The Meridian Guardian arrives at Genesis. As more Guardians arrive, some inadvertently bringing along [[Jul 'Mdama's Covenant]] vessels in their wake, Blue Team is attacked by the Forerunner entity [[Warden Eternal]], who decides Blue Team is a threat to Cortana. Blue Team defeats the Warden and makes contact with Cortana. She explains how she survived the [[New Phoenix Incident]] and has been convinced by the Warden that she is the [[Reclaimer]], and that it is the "[[Created]]" (artificial intelligences), not humanity (the "Creators"), who are the true inheritors of the Forerunners' [[Mantle of Responsibility]].{{Ref/Reuse|h5g}}
*'''October 26'''
*[[Evelyn Collins]] and [[Cale|Doc Cale]], survivors of the Guardian emergence on Meridian search Meridian Station for rations and supplies.<ref name="WR">''[[Halo: Fractures]]''. ''[[What Remains]]''</ref>
**In the aftermath of the Meridian Guardian, five more human colony worlds experience a Guardian emergence, bringing the total to eleven.<ref name="h5g"/>
'''October 27'''
**Aboard {{UNSCShip|Infinity}}, the AI [[Roland]] deciphers the destination coordinates of the Meridian Guardian. Dr. Halsey deduces that Osiris can follow Blue Team by inputting those coordinates in a dormant Guardian, one of which can be found on [[Sanghelios]].<ref name="h5g"/>
*[[John-117]] is declared [[KIA]] by the [[Office of Naval Intelligence]]. ONI Section II Press Secretary Lieutenant [[Penelope Boren]] delivers the news of his supposed death to the public; in the announcement, she notably misspeaks the Master Chief's date of death as being October 27, ''2560'' instead of 2558. [[Michael Sullivan|Commander Michael Sullivan]] later sends a message to [[Serin Osman|Admiral Serin Osman]] apologizing for the mistake.<ref>[http://huntthetruth.tumblr.com/post/130137892268/message-from-cdr-sullivan '''Hunt the Truth''': ''MESSAGE FROM CDR SULLIVAN'']</ref>
**The Meridian Guardian arrives at Genesis. As more Guardians arrive, some inadvertently bringing along [[Jul 'Mdama's Covenant|Covenant]] vessels in their wake, Blue Team is attacked by the Forerunner entity [[Warden Eternal]], who decides Blue Team is a threat to Cortana. Blue Team defeats the Warden and makes contact with Cortana. She explains how she survived the [[New Phoenix Incident]] and has been convinced by the Warden that she is the [[Reclaimer]], and that it is the "[[Created]]" (artificial intelligences), not humanity (the "Creators"), who are the true inheritors of the Forerunners' [[Mantle of Responsibility]].<ref name="h5g"/>
*The Triad posts a series of brief videos taken from the [[helmet recorder]]s of soldiers who were on Meridian at the time of the Guardian's emergence.<ref>[https://twitter.com/OurThreeLives/status/646006013233987584 '''Twitter''': ''OurThreeLives'']</ref>
**[[Evelyn Collins]] and [[Cale|Doc Cale]], survivors of the Guardian emergence on Meridian search Meridian Station for rations and supplies.<ref name="WR">''[[Halo: Fractures]]''. ''[[What Remains]]''</ref>
*''Infinity'' arrives at [[Sanghelios]], which is besieged by the remaining members of [[Jul 'Mdama's Covenant]]. [[Fireteam Osiris]] lands on the planet to make contact with [[Arbiter]] [[Thel 'Vadam]], and rescues him from a assassination attempt by 'Mdama's forces. Coordinating with the [[Swords of Sanghelios]], Osiris locates a Forerunner [[Constructor]], then aids in the Swords' assault on the [[Sunaion]], the final stronghold of 'Mdama's Covenant on [[Sanghelios]] while the Constructor reactivates the Sanghelios Guardian. Despite heavy resistance from [[Promethean]] forces and the Warden Eternal, Osiris boards the Guardian just before it enters slipspace. Meanwhile, the Arbiter's forces eradicate the remnants of 'Mdama's Covenant.{{Ref/Reuse|h5g}}
 
*As a glass storm batters a group of survivors in Meridian Station, [[Marquez]] begins to work on building a transmitter capable of getting a signal off-world.{{Ref/Reuse|WR}}
*'''October 27'''
'''October 28'''
**[[John-117]] is declared [[KIA]] by the [[Office of Naval Intelligence]]. ONI Section II Press Secretary Lieutenant [[Penelope Boren]] delivers the news of his supposed death to the public; in the announcement, she notably misspeaks the Master Chief's date of death as being October 27, ''2560'' instead of 2558. [[Michael Sullivan|Commander Michael Sullivan]] later sends a message to [[Serin Osman|Admiral Serin Osman]] apologizing for the mistake.<ref>[http://huntthetruth.tumblr.com/post/130137892268/message-from-cdr-sullivan '''Hunt the Truth''': ''MESSAGE FROM CDR SULLIVAN'']</ref>
*The colony of [[Laika III]] becomes yet another casualty of an emerging Forerunner Guardian. Rogue ONI agent Maya Sankar broadcasts a warning about these events to the other colonies. Realizing that ONI will try to suppress the broadcast, however, Maya allows the [[Insurrectionist]] [[Bostwick]] to kill her in order to make "FERO" a martyr and draw more attention to the warning. The plan succeeds, and ONI is unable to contain the news of the colonies' destruction. Maya's body is recovered soon after her death and used by ONI to create an AI to allow for further analysis of her experiences.<ref name="htts2e6">[http://huntthetruth.tumblr.com/post/131962891843/s206-transcendence-maya-risks-it-all-to-spread '''Hunt the Truth''': ''Season 2, Episode 6 - Transcendence'']</ref>
**The Triad posts a series of brief videos taken from the [[helmet recorder]]s of soldiers who were on Meridian at the time of the Guardian's emergence.<ref>[https://twitter.com/OurThreeLives/status/646006013233987584 '''Twitter''': ''OurThreeLives'']</ref>
*[[Fireteam Osiris]] arrives at [[Genesis]] aboard the [[Sanghelios]] [[Guardian]], fighting through confused troops of 'Mdama's broken Covenant and aggressive Prometheans alike to reach [[Blue Team]] with the help of Genesis' [[monitor]], [[031 Exuberant Witness]], who opposes the [[Warden Eternal]] and [[Cortana]]'s plans to subjugate the galaxy under the [[Mantle]]. Before Osiris and Blue Team can coordinate a plan, Cortana teleports Blue Team to her inner sanctum.{{Ref/Reuse|h5g}}
**''Infinity'' arrives at [[Sanghelios]], which is besieged by the remaining members of [[Jul 'Mdama's Covenant]]. [[Fireteam Osiris]] lands on the planet to make contact with [[Arbiter]] [[Thel 'Vadam]], and rescues him from a Covenant assassination attempt. Coordinating with the [[Swords of Sanghelios]], Osiris locates a Forerunner [[Constructor]], then aids in the Swords' assault on the [[Sunaion]], the Covenant's final stronghold on [[Sanghelios]] while the Constructor reactivates the Sanghelios Guardian. Despite heavy resistance from [[Promethean]] forces and the Warden Eternal, Osiris boards the Guardian just before it enters slipspace. Meanwhile, the Arbiter's forces eradicate the remaining Covenant.<ref name="h5g"/>
*[[John-117]] and Blue Team fend off a series of attacks from the Warden Eternal and confront Cortana. She reveals her intention to use the Guardians to enforce the Mantle and asks John to join her. He refuses, and she imprisons Blue Team within a [[Cryptum]] while she begins her campaign to establish the [[Created]]'s control of the galaxy.{{Ref/Reuse|h5g}}
**As a glass storm batters a group of survivors in Meridian Station, [[Marquez]] begins to work on building a transmitter capable of getting a signal off-world.<ref name="WR"/>
*After Thel's victory against Jul's Covenant, a Guardian shuts down one of Sanghelios' hemispheres. Thel's forces hides on Nuusra.<ref name="HBB1">'''[[Halo: Bad Blood]]''', ''Chapter 1'''</ref>
 
*As the Guardians depart Genesis, Fireteam Osiris attempt to free Blue Team. Although Cortana still controls Genesis, her imminent departure causes her to disconnect from the installation, giving 031 Exuberant Witness a window to retake it. Osiris helps the monitor regain Genesis and prevent Cortana from leaving with the Cryptum. Blue Team is liberated and returns with Osiris to Sanghelios, where they and the [[Arbiter]], [[Catherine Halsey|Dr. Catherine Halsey]], and [[Sarah Palmer|Spartan Palmer]] plan how to stop Cortana and the Guardians.{{Ref/Reuse|h5g}}{{Ref/Reuse|HBB1}}
*'''October 28'''
*Thanks to Blue Team's and Fireteam Osiris' actions, [[Keeper-of-Tools]] manages to find [[Bastion]]'s location.{{Ref/Reuse|PoL}}
**The colony of [[Laika III]] becomes yet another casualty of an emerging Forerunner Guardian. Rogue ONI agent Maya Sankar broadcasts a warning about these events to the other colonies. Realizing that ONI will try to suppress the broadcast, however, Maya allows the [[Insurrectionist]] [[Bostwick]] to kill her in order to make "FERO" a martyr and draw more attention to the warning. The plan succeeds, and ONI is unable to contain the news of the colonies' destruction. Maya's body is recovered soon after her death and used by ONI to create an AI to allow for further analysis of her experiences.<ref name="htts2e6">[http://huntthetruth.tumblr.com/post/131962891843/s206-transcendence-maya-risks-it-all-to-spread '''Hunt the Truth''': ''Season 2, Episode 6 - Transcendence'']</ref>
*Cortana arrives in [[Earth]] orbit aboard a Guardian, while the other Guardians and [[Created]] begin shutting down communications and electronic infrastructure on all [[human colonies]]. As Cortana's Guardian uses an EMP weapon to disable all of Earth's infrastructure and defenses, the {{UNSCShip|Infinity}} makes an emergency slipspace jump and goes on the run.{{Ref/Reuse|h5g}}
**[[Fireteam Osiris]] arrives at [[Genesis]] aboard the [[Sanghelios]] [[Guardian]], fighting through confused Covenant troops and aggressive Prometheans alike to reach [[Blue Team]] with the help of Genesis' [[monitor]], [[031 Exuberant Witness]], who opposes the [[Warden Eternal]] and [[Cortana]]'s plans to subjugate the galaxy under the [[Mantle]]. Before Osiris and Blue Team can coordinate a plan, Cortana teleports Blue Team to her inner sanctum.<ref name="h5g"/>
*Survivors on Meridian make contact with Cortana, who promises that "All will be dealt with in time".{{Ref/Reuse|WR}}
**[[John-117]] and Blue Team fend off a series of attacks from the Warden Eternal and confront Cortana. She reveals her intention to use the Guardians to enforce the Mantle and asks John to join her. He refuses, and she imprisons Blue Team within a [[Cryptum]] while she begins her campaign to establish the [[Created]]'s control of the galaxy.<ref name="h5g"/>
*[[Installation 00]]'s failsafe measures prevent Cortana and her allies from being able to access the installation, closing the [[Portal at Voi|Portal]] on Earth in the process.<ref name="Mythos202">'''[[Halo Mythos]]''', ''page 202''</ref>
**After Thel's victory against Jul's Covenant, a Guardian shuts down one of Sanghelios' hemispheres. Thel's forces hides on Nuusra.<ref name="HBB1">'''[[Halo: Bad Blood]]''', ''Chapter 1''']</ref>
*After passing [[The Precept]]'s test on [[Erebus VII]], [[Rion Forge]] and [[343 Guilty Spark|Spark]] find Bastion within the [[Orion complex]].<ref>'''Halo: Point of Light''', ''Chapter 38''</ref> At the same time, Keeper arrives at the shield world, and, with Rion and Spark's help, manages to launch the ''[[Eden]]'' to another galaxy to start the [[Precursor]]'s reseeding.<ref>'''Halo: Point of Light''', ''Chapter 41''</ref>
**As the Guardians depart Genesis, Fireteam Osiris attempt to free Blue Team. Although Cortana still controls Genesis, her imminent departure causes her to disconnect from the installation, giving 031 Exuberant Witness a window to retake it. Osiris helps the monitor regain Genesis and prevent Cortana from leaving with the Cryptum. Blue Team is liberated and returns with Osiris to Sanghelios, where they and the [[Arbiter]], [[Catherine Halsey|Dr. Catherine Halsey]], and [[Sarah Palmer|Spartan Palmer]] plan how to stop Cortana and the Guardians.<ref name="h5g"/><ref name="HBB1"/>
*Spark is assigned as Bastion's caretaker, leaving the ''[[Ace of Spades]]'' and making a slipspace jump with the shield world to avoid being found by Cortana or her Guardians.<ref name="PoL">'''Halo: Point of Light''', ''Chapter 42''</ref>
**Cortana arrives in [[Earth]] orbit aboard a Guardian, while the other Guardians and [[Created]] begin shutting down communications and electronic infrastructure on all [[human colonies]]. As Cortana's Guardian uses an EMP weapon to disable all of Earth's infrastructure and defenses, the {{UNSCShip|Infinity}} makes an emergency slipspace jump and goes on the run.<ref name="h5g"/>
'''October 29'''
**Survivors on Meridian make contact with Cortana, who promises that "All will be dealt with in time".<ref name="WR"/>
*The UNSC ''Infinity'' arrives to Urs system to extract Blue Team, Fireteam Osiris, Dr. Halsey, and Commander Palmer from Sanghelios.{{Ref/Reuse|HBB1}}
**[[Installation 00]]'s failsafe measures prevent Cortana and her allies from being able to access the installation, closing the [[Portal at Voi|Portal]] on Earth in the process.<ref name="Mythos202">'''[[Halo Mythos]]''', ''page 202''</ref>
*Captain Lasky requests John-117, Jameson Locke, Dr. Halsey, and Sarah Palmer on ''Infinity''<nowiki>'</nowiki>s bridge, while [[Veronica Dare]], by ONI's orders, requests [[Edward Buck]] to reform [[Alpha-Nine]], including [[Michael Crespo]]. After some initial resistance, Buck agrees.<ref name="HBB2">'''Halo: Bad Blood''', ''Chapter 2'''</ref>
 
*{{UNSCShip|Sentry of El Morro}} is attacked by the Warden Eternal. The ship's crew broadcast a distress call which is answered by UNSC ''Infinity''.<ref>'''[[Halo: Fractures]]''', "[[Rossbach's World (story)|Rossbach's World]]"</ref>
*'''October 29'''
*Buck and Dare travel to [[Balaho]] to extract [[Kojo Agu]], and discover the [[Unggoy]] of the planet have joined the Created. After their failure to rescue the UNSC embassy' survivors, the three left the planet.{{Ref/Reuse|HBB2}}
**The UNSC ''Infinity'' arrives to Urs system to extract Blue Team, Fireteam Osiris, Dr. Halsey, and Commander Palmer from Sanghelios.<ref name="HBB1"/>
'''Between October 28 and October 31'''
**Captain Lasky requests John-117, Jameson Locke, Dr. Halsey, and Sarah Palmer on ''Infinity''<nowiki>'</nowiki>s bridge, while [[Veronica Dare]], by ONI's orders, requests [[Edward Buck]] to reform [[Alpha-Nine]], including [[Michael Crespo]]. After some initial resistance, Buck agrees.<ref name="HBB2">'''Halo: Bad Blood''', ''Chapter 2''']</ref>
*Ilsa Zane is captured by the Banished.{{Ref/Novel|Id=TTL|Halo: The Third Life}}
**{{UNSCShip|Sentry of El Morro}} is attacked by the Warden Eternal. The ship's crew broadcast a distress call which is answered by UNSC ''Infinity''.<ref>'''[[Halo: Fractures]]''', "[[Rossbach's World (story)|Rossbach's World]]"</ref>
**Buck and Dare travel to [[Balaho]] to extract [[Kojo Agu]], and discover the [[Unggoy]] of the planet have joined the Created. After their failure to rescue the UNSC embassy' survivors, the three left the planet.<ref name="HBB2"/>


===November===
===November===
'''November 1'''
*'''November 1''': [[Dural 'Mdama]] reclaims leadership over the [[Servants of the Abiding Truth]] by killing [[Kurnik 'Nuusra]].<ref name="HLOOE">''[[Halo: Legacy of Onyx]]'', ''Epilogue''</ref>
*[[Dural 'Mdama]] reclaims leadership over the [[Servants of the Abiding Truth]] by killing [[Kurnik 'Nuusra]].<ref name="HLOOE">''[[Halo: Legacy of Onyx]]'', ''Epilogue''</ref>
*'''November 5''': Power is fully restored to [[Paxopolis]] and all its research sites.<ref name="HLOO37"/>
'''November 4'''
*'''November 12''': The [[Pax Institute]] reopens.<ref name="HLOO37">''[[Halo: Legacy of Onyx]]'', ''Chapter 37''</ref>
*On [[Myer's Moon]], Rion Forge and Little Bit wait aboard the ''Ace of Spades'' for the rest of the crew. After being put to sleep by Little Bit, Rion has one last conversation with the Librarian, who reveals her plans to reseed the Precursors in another galaxy.<ref>'''Halo: Point of Light''', ''Chapter 44''</ref>
*'''November 25''': The Banished [[Attack on Installation 00|arrive]] at Installation 00 aboard ''[[Enduring Conviction]]''. After killing the UNSC forces and researchers present on the Forerunner installation, they begin to collect resources and establish a presence on the Ark.<ref name="Graveyard">'''Halo Wars 2''', ''Phoenix Logs — The Graveyard''</ref><ref name="ANE">'''Halo Wars 2''', ''[[A New Enemy]]''</ref>
'''November 5'''
*'''November 28''': [[Nathaniel Palmer]] records his recollection surrounding the escape of fifteen people, including himself, from the attack on the [[Henry Lamb Research Outpost]].
*Power is fully restored to [[Paxopolis]] and all its research sites.{{Ref/Reuse|HLOO37}}
'''November 12'''
*The [[Pax Institute]] reopens.<ref name="HLOO37">''[[Halo: Legacy of Onyx]]'', ''Chapter 37''</ref>
'''November 25'''
*The Banished [[Attack on Installation 00|arrive]] at Installation 00 aboard ''[[Enduring Conviction]]''. After killing the UNSC forces and researchers present on the Forerunner installation, they begin to collect resources and establish a presence on the Ark.<ref name="Graveyard">'''Halo Wars 2''', ''Phoenix Logs — The Graveyard''</ref><ref name="ANE">'''Halo Wars 2''', ''[[A New Enemy]]''</ref>
'''November 28'''
*[[Nathaniel Palmer]] records his recollection surrounding the escape of fifteen people, including himself, from the attack on the [[Henry Lamb Research Outpost]].


===December===
===December===
'''December 7'''
*'''December 7''': [[Teranus]] records a log for his [[Jiralhanae Captain|captain]], in which he express his frustration with the [[Sangheili]] aboard the ''Enduring Conviction''.<ref name="ASS">'''Halo Wars 2''', ''Phoenix Logs - A Small Sacrifice''</ref>
*[[Teranus]] records a log for his [[Jiralhanae Captain|captain]], in which he express his frustration with the [[Sangheili]] aboard the ''Enduring Conviction''.<ref name="ASS">'''Halo Wars 2''', ''Phoenix Logs - A Small Sacrifice''</ref>
 
==Notes==
{{Ref/Notes}}


==Sources==
==Sources==
{{Ref/Sources|2}}
{{Ref/Sources|2}}

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