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HAVOK tactical nuclear weapon: Difference between revisions

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{{Era|HCW|Post}}
{{Status|Canon}}
{{Center|This article is about a nuclear weapon. For the software, see [[Havok (software)|Havok]].}}
{{Center|This article is about a nuclear weapon. For the software, see [[Havok (software)|Havok]].}}
{{Weapon
{{Weapon infobox
| image=[[File:H4-HAVOK-TacNuke-ScanRender.png|300px]]<br>The Mark 2556 excavation-grade HAVOK warhead.
| image=[[File:H4-HAVOK-TacNuke-ScanRender.png|300px]]<br>The Mark 2556 excavation-grade HAVOK warhead.
| name=HAVOK tactical nuclear weapon
| name=HAVOK tactical nuclear weapon
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| type= [[Wikipedia:Nuclear weapon design#Clean bombs|"Clean" thermonuclear weapon]]<ref name="tfor200">'''[[Halo: The Fall of Reach]]''', ''page 200'' (2001)</ref>
| type= [[Wikipedia:Nuclear weapon design#Clean bombs|"Clean" thermonuclear weapon]]<ref name="tfor200">'''[[Halo: The Fall of Reach]]''', ''page 200'' (2001)</ref>
| cost=
| cost=
|length={{Convert|13.8|in|cm}}<ref name="H4VG"/>
|length={{Convert|13.8|in|cm}}{{Ref/Reuse|H4VG}}
|width={{Convert|7.1|in|cm}}<ref name="H4VG"/>
|width={{Convert|7.1|in|cm}}{{Ref/Reuse|H4VG}}
|height={{Convert|7.5|in|cm}}<ref name="H4VG"/>
|height={{Convert|7.5|in|cm}}{{Ref/Reuse|H4VG}}
| rate-title=Yield
| rate-title=Yield
| rate=30 megatons<ref name="reach">'''Halo: The Fall of Reach''',  ''page 3'' (2001); ''page 16'' (2010)</ref>
| rate=30 megatons<ref name="reach">'''Halo: The Fall of Reach''',  ''page 3'' (2001); ''page 16'' (2010)</ref>
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| affiliation=[[United Nations Space Command|UNSC]]
| affiliation=[[United Nations Space Command|UNSC]]
}}
}}
The '''HAVOK tactical nuclear weapon''' is a [[United Nations Space Command|UNSC]] [[nuclear weapon]] produced by the [[Misriah Armory]]. It is classified as part of the [[Medium Fusion Destructive Device]] category.<ref name="H4VG"/>
The '''HAVOK tactical nuclear weapon''' is a [[United Nations Space Command|UNSC]] [[nuclear weapon]] produced by the [[Misriah Armory]]. It is classified as part of the [[Medium Fusion Destructive Device]] category.{{Ref/Reuse|H4VG}}


==Variants==
==Variants==
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===HAVOK nuclear mine===
===HAVOK nuclear mine===
The '''HAVOK tactical nuclear mine'''<ref>'''Halo: The Fall of Reach''', ''page 177'' (2001)</ref> is one of the most powerful ground-based nuclear ordnance in the UNSC arsenal, and has a thermonuclear yield of 30 [[Wikipedia:megaton|megatons]]. It is described as looking like a small black half sphere, and does not contain any external indicators; the device only contains a thin slot on the unit's face to allow the detonation key to be inserted. The bottom of the unit contains bonding strips that allows the HAVOK to be attached to any type of surface. The mine can only be detonated by a remote signal, and if the device is placed underneath thick concrete and steel, or other objects that may cause interference, a ground-return receiver must be set up to allow the signal to reach the device.<ref name="tfor200"/>
The '''HAVOK tactical nuclear mine'''<ref>'''Halo: The Fall of Reach''', ''page 177'' (2001)</ref> is one of the most powerful ground-based nuclear ordnance in the UNSC arsenal, and has a thermonuclear yield of 30 [[Wikipedia:megaton|megatons]]. It is described as looking like a small black half sphere, and does not contain any external indicators; the device only contains a thin slot on the unit's face to allow the detonation key to be inserted. The bottom of the unit contains bonding strips that allows the HAVOK to be attached to any type of surface. The mine can only be detonated by a remote signal, and if the device is placed underneath thick concrete and steel, or other objects that may cause interference, a ground-return receiver must be set up to allow the signal to reach the device.{{Ref/Reuse|tfor200}}


The HAVOK mine is used in situations where the UNSC must eliminate enemy forces in an area already claimed by them, or to prevent an area from falling into their hands. However, there are situations where the UNSC will use a HAVOK to eliminate Covenant ships deploying infantry and equipment. Nuclear weapons like the HAVOK are employed often but not always, and are only used when all civilian and military populations have been either evacuated, or compromised in a target area.
The HAVOK mine is used in situations where the UNSC must eliminate enemy forces in an area already claimed by them, or to prevent an area from falling into their hands. However, there are situations where the UNSC will use a HAVOK to eliminate Covenant ships deploying infantry and equipment. Nuclear weapons like the HAVOK are employed often but not always, and are only used when all civilian and military populations have been either evacuated, or compromised in a target area.
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===Mark 2556 MFDD===
===Mark 2556 MFDD===
The '''Mark 2556 Medium Fusion Destructive Device'''<ref>'''[[Halo 4: The Essential Visual Guide]]''', ''page 83''</ref> is an excavation-grade variant of the weapon that can be used in a missile to destroy ships and other targets. It was stated that a single device of this variant could turn [[Ivanoff Station]] into "piñata". <ref name="halo4">'''Halo 4''', campaign level ''[[Composer (level)|Composer]]''</ref>
The '''Mark 2556 Medium Fusion Destructive Device'''{{Ref/Reuse|H4VG}} is an excavation-grade variant of the weapon, presumably used for excavation purposes in locations where a nuclear blast is required. A single warhead of this variant is stated to be able to turn [[Ivanoff Station]] "into a piñata".{{Ref/Level|Id=halo4|H4|[[Composer (level)|Composer]]}} Despite being excavation-grade, it could be attached to an [[F-41 Broadsword]] fighter in the form of a missile for ship-killing purposes. A single warhead was capable of destroying both [[the Composer]] and the powerful [[Forerunner]] vessel ''[[Mantle's Approach]]'' when detonated inside of the ship.{{Ref/Level|H4|[[Midnight]]}}


==Tactical uses==
==Tactical uses==
HAVOK Variant V nuclear missiles were carried on the {{UNSCShip|Spirit of Fire}} in [[2531]].<ref name="variant"/>
In [[2526]], HAVOKs were used during [[Operation: SILENT STORM]]. Three were used as part of a successful attack on the [[Fleet of Inexorable Obedience]]'s logistics train while the main part of the fleet was distracted [[glassing]] [[Biko]]. Later, they were used alongside [[octanitrocubane|octas]] during the attack on the planet [[Zhoist]] and the [[Ring of Mighty Abundance]] in orbit. During part of the attack, Spartan-II [[Blue Team]] used two HAVOKs to destroy the under-construction [[Covenant supercarrier]] ''[[Hammer of Faith]]''. This was accomplished by [[John-117]] and [[Kelly-087]] arming the HAVOKs and then tossing them into a [[gravity lift]] leading into the ship from a hanger bay in one of its construction barns. Blue Team managed to escape the blast in a group of Banshees, though the Banshees were fried from the gamma effects of the blast and the Banshees own poor gamma shielding.<ref name="Silent Storm">'''[[Halo: Silent Storm]]'''</ref>


On February 12, [[2535]] during the [[Battle of Jericho VII]], UNSC NavSpecWep deployed three teams of [[SPARTAN-II program|SPARTAN-IIs]] on [[Jericho VII]] to combat Covenant forces invading the colony. At one point during the engagement Red Team was successfully able to plant a HAVOK nuke near a Covenant rally point where a [[Covenant cruiser|cruiser]] was to deploy ground forces while Blue Team was to clear out the rear guard of the Covenant forces so they could slip in. The plan was for the nuke to be detonated when the cruiser lowered its shields and landed to drop troops in order to take it out. Red Team succeeded in this mission.
In [[2531]], HAVOK Variant V nuclear missiles were carried on the {{UNSCShip|Spirit of Fire}}.{{Ref/Reuse|variant}} During the mission to the {{UNSCShip|Prophecy}}, [[Captain]] [[James Cutter]] had the HAVOKs utilized against the Covenant forces along with the ship's MAC gun.<ref name="Genesis">'''[[Halo Wars: Genesis]]'''</ref>


In May, [[2545]], the [[53rd Armored Division]] of the [[UNSC Army]] detonated two HAVOKs to demolish three Covenant staging grounds during the [[Battle of Actium]]. The blasts wiped out much of the Covenant ground forces, but at the cost of no less than 12,000 Army personnel. The battle ultimately ended in a Covenant victory, as [[Actium]] was glassed.
On February 12, [[2535]] during the [[Battle of Jericho VII]], UNSC NavSpecWep deployed three teams of [[SPARTAN-II program|SPARTAN-IIs]] on [[Jericho VII]] to combat Covenant forces invading the colony. At one point during the engagement Red Team was successfully able to plant a HAVOK near a Covenant rally point where a [[Covenant cruiser|cruiser]] was to deploy ground forces while Blue Team was to clear out the rear guard of the Covenant forces so they could slip in. The plan was for the HAVOK to be detonated when the cruiser lowered its shields and landed to drop troops in order to take it out. Red Team succeeded in planting the device, but its unclear if the HAVOK ever destroyed a Covenant ship as the Spartans were recalled shortly thereafter and Jericho VII fell to the Covenant.<ref>'''[[Halo: The Fall of Reach]]''', ''Prologue''</ref>


On July 18, [[2552]], during the [[Battle of Sigma Octanus IV]], [[Blue Team]] detonated a HAVOK nuclear mine in the city of [[Côte d'Azur]], during the battle taking place on the planet, destroying the city and all the Covenant in it.<ref>'''[[Halo: The Fall of Reach]]''', ''page 212''</ref>
In May [[2545]], the [[53rd Armored Division]] of the [[UNSC Army]] detonated two HAVOKs to demolish three Covenant staging grounds during the [[Battle of Actium]]. The blasts wiped out much of the Covenant ground forces, but at the cost of no less than 12,000 Army personnel. The battle ultimately ended in a Covenant victory, as [[Actium]] was glassed.


In October-November 2552, HAVOK nuclear weapons were used during the [[Battle of Earth]]. One notable use was when Blue Team was deployed to [[Mount Erebus]] in the Antarctic to destroy a Covenant excavation force using a HAVOK.<ref>'''[[Halo: Ghosts of Onyx]]''', ''page 203''</ref>
On July 17, [[2552]], during the [[Battle of Sigma Octanus IV]], [[Blue Team]] detonated a HAVOK nuclear mine in the city of [[Côte d'Azur]], during the battle taking place on the planet, destroying the city and all the Covenant in it.<ref>'''[[Halo: The Fall of Reach]]''', ''page 212''</ref>


In [[2553]], to destroy a [[Covert Support Base 4276|Forerunner installation]] located in the [[Montero Cave System]] on [[Gao]], Blue Team dropped a Havok BB 2550 nuke into an [[Well of Echoes|opening]] in the caverns which detonated and destroyed the installation.<ref name="ll376"/> During the [[mission to Alpha Shard]], [[Randall Aiken]] manually set off a HAVOK nuke destroying the bioweapon deposits on [[Alpha Shard]]. The nuke's fuel cell was used to power the [[Condor]] in order to let [[Jameson Locke]] and [[Talitha Macer]] have a chance to get off of the Shard.<ref>'''Halo: Nightfall''', Chapter 5 ''Devil Takes the Hindmost''</ref>
In October–November 2552, HAVOK nuclear weapons were used during the [[Battle for Earth]]. One notable use was when Blue Team was deployed to [[Mount Erebus]] in the Antarctic to destroy a Covenant excavation force using a HAVOK.<ref>'''[[Halo: Ghosts of Onyx]]''', ''page 203''</ref>


Seven excavation-grade HAVOK warheads were stored on [[Ivanoff Station]], presumably for excavation purposes rather than tactical ones given Ivanoff's status as a research station.. During the [[Raid on Ivanoff Station]] by the [[Didact]], the [[John-117|Master Chief]] had all of the warheads prepared in order to destroy the [[Composer]] and prevent the Didact from getting it. After the Didact digitized everyone in the station, the Master Chief took one of these nukes in the form of a missile attached to an [[F-41 Broadsword]] fighter and chased the Didact. During the Didact's subsequent [[New Phoenix Incident|attack on Earth]], the Master Chief boarded the Didact's ship, ''[[Mantle's Approach]]'' with the nuke and detonated it, destroying the ship and the Composer.<ref name="halo4"/>
In [[2553#July|July 2553]], to destroy a [[Covert Support Base 4276|Forerunner installation]] located in the [[Montero Cave System]] on [[Gao]], Blue Team dropped a Havok BB 2550 nuke into an [[Well of Echoes|opening]] in the caverns which detonated and destroyed the installation. The blast also destroyed a dozen [[MV-29 Wyvern]]s that were above the Well of Echoes pursuing their [[D102 Owl]] {{UNSCShip|Silent Claw}}. The nuclear blast turned the Well of Echoes into a kilometer-deep shaft of fused limestone with a pool of molten stone glowing for a time at the bottom of the crater. Rather than realizing that the HAVOK was intended to destroy the Forerunner base, President [[Arlo Casille]] believed it to be the Spartans way of making good their escape by destroying their pursuers. Rather than admitting the truth about the nuclear blast, Casille chose to cover it up by claiming that the blast was caused by a downed [[Prowler]]'s reactor going critical, knowing that if the citizens of Gao knew that the UNSC had detonated a [[nuclear weapon]] on their planet, they would push for a war with the UNSC that Casille didn't want.{{Ref/Reuse|ll376}}


In the aftermath of the ship's destruction, a [[Sangheili]] terrorist attempted to destroy the city of [[Rio de Janeiro]] with a smuggled HAVOK warhead; he was ultimately stopped by UNSC special forces operatives.<ref>'''Spartan Ops''', ''[[Departure|S1E01 Departure]]''</ref>
During [[2553#December|December 2553]], ten disarmed HAVOKs were used as part of [[Operation: RETRIBUTION]] by [[Veta Lopis]]' [[Ferret]] team. The team claimed to gunrunner [[Ross Nyeto]] that they were [[piracy|pirates]] who had stolen the HAVOKs from the {{UNSCShip|Taulanti}} and were on the run from Blue Team as a result. In reality, four of the HAVOK shells contained their [[M7S SMG|M7S submachine guns]] while another was in fact a disguised [[distress beacon|slipbeacon]] intended to signal their location to the {{Class|Sahara|prowler}} {{UNSCShip|Silent Joe}}. After being brought aboard the ''[[Stolen Faith]]'', the Ferrets retrieved their weapons from the HAVOKs. With the discovery of the [[Keepers of the One Freedom]]'s [[Salvation Base]], it was decided to have Blue Team reactivate the nine HAVOKs by replacing their missing tritium booster cylinders and use them to destroy the base. [[Linda-058]] managed to reactivate six HAVOKs in the time she had on a five minute timer to the protests of Veta due to the human and [[Sangheili]] prisoners within the base. However, it was sadly recognized that they did not have time to rescue the prisoners with Keeper forces massing around them. Both Blue Team and the Ferrets escaped in a [[Turaco]] while the ''Silent Joe'' used [[Shiva-class nuclear missile]]s to attack six Keeper ships that tried to escape the blast. The detonation obliterated Salvation Base and killed all within it, including the prisoners, much to Veta's grief. It was estimated that 90% of the Keeper forces were destroyed and their operations in the sector crippled by the blast.<ref>'''[[Halo: Retribution]]'''</ref>


During the [[Requiem Campaign]], [[Jul 'Mdama]]'s Covenant stole at least seven HAVOK-class warheads from the UNSC. During a raid on the {{UNSCShip|Infinity}}, the Covenant planted one HAVOK in the ship's Server Room, and six more throughout the Engine Room. The HAVOKs were equipped with [[active camouflage]] to hide them from the ship's sensors. However, [[Fireteam Crimson]] was able to locate and disarm all the HAVOKs before they could be detonated.<ref>'''Spartan Ops''', Episodes ''Scattered'' & ''Invasion''</ref>
In [[2556]], the destruction of the {{UNSCShip|Pillar of Autumn}} on [[Installation 04]] was discovered to have created deposits of a new element unique to a fragment of the installation known as [[Alpha Shard]]. The new element was fatal only to humans and was used in [[Terrorist attack on Sedra City|a terrorist attack]] on [[Sedra City]]. To prevent such an attack again, [[ONI]] Commander [[Jameson Locke]] got [[Goodwin|Rear Admiral Goodwin]] to approve the use of a HAVOK to destroy the deposits. Accompanied by forces from the [[Sedran Colonial Guard]], [[Locke's team]] undertook [[Mission to Alpha Shard|a mission]] to the shard. In order to escape the shard, the HAVOK's emergency fuel cell was used to briefly power a [[Condor]] dropship, but this required a manual detonation of the warhead. As Locke and Private [[Talitha Macer]] escaped the shard in [[Bactrian-class freighter|the smugglers' ship]], Colonel [[Randall Aiken]] detonated the HAVOK, destroying the deposits and preventing their use ever again.<ref>'''Halo: Nightfall'''</ref>
 
[[Seven]] excavation-grade HAVOK warheads were stored on [[Ivanoff Station]], presumably for excavation purposes rather than tactical ones given Ivanoff's status as a research station. During the [[Raid on Ivanoff Station]] by the [[Didact]], the [[John-117|Master Chief]] had all of the warheads prepared in order to destroy the [[Composer]] and prevent the Didact from getting it. After the Didact digitized everyone in the station, the Master Chief took one of these HAVOKs in the form of a missile attached to an [[F-41 Broadsword]] fighter and chased after the Didact. During the Didact's subsequent [[New Phoenix Incident|attack on Earth]], the Master Chief boarded the Didact's ship, ''[[Mantle's Approach]]'' with the HAVOK and detonated it, destroying the ship and the Composer.{{Ref/Reuse|halo4}}
 
In the aftermath of the ship's destruction, a [[Sangheili]] terrorist attempted to destroy the city of [[Rio de Janeiro]] with a smuggled HAVOK warhead; he was ultimately stopped by UNSC special forces operatives.<ref>''[[Spartan Ops]]'', [[Departure|S1E01 Departure]]</ref>
 
During the [[Requiem Campaign]], [[Jul 'Mdama's Covenant]] stole at least [[seven]] HAVOK-class warheads from the UNSC. [[Fireteam Crimson]] [[Raid on Cyclone|discovered]] several nuclear missiles with their warheads missing in a Covenant supply depot in "[[Cyclone]]."<ref>''Spartan Ops'', [[Scattered/Search and Destroy|S106 Search and Destroy]]</ref> During [[Invasion of the UNSC Infinity|an invasion]] of the {{UNSCShip|Infinity}}, the Covenant planted one HAVOK in the ship's Server Room, and six more throughout the Engine Room. The HAVOKs were equipped with [[active camouflage]] to hide them from the ship's sensors which was discovered after [[Fireteam Crimson]] discovered a Sangheili deploying the warhead in the Server Room. After the warhead was disarmed and the ''Infinity's'' AI [[Roland]] realized that they were being protected with active camouflage, he was able to lock onto the energy signatures from the camouflage and direct Crimson to each warhead. Crimson managed to disarm all seven warheads with instruction from Roland and secured both the Server and Engine Rooms, keeping the disarmed warheads from being reclaimed by the Covenant until the attack could be repelled.<ref>''Spartan Ops'', [[Invasion (Spartan Ops)/Engine of Destruction|S107 Engine of Destruction]]</ref><ref>''Spartan Ops'', [[Invasion (Spartan Ops)/The Guns of Infinity|S107 The Guns of ''Infinity'']]</ref>
 
In [[2558#May|May 2558]], during [[Operation: WHISTLE STOP]], a [[GA-TL1 Longsword|Longsword]] dropped two HAVOK missiles on the [[Kig-Yar pirate queen]]'s base on [[Ven III]] as she was launching in a [[Covenant corvette]] to engage the {{UNSCShip|Infinity}} in space. The HAVOKs destroyed the pirate queen, her base and her launching forces.<ref name="Escalation12">'''[[Halo: Escalation]]''', ''[[Halo: Escalation Issue 12|Issue #12]]''</ref>
 
In [[2558#September|September 2558]], an old repurposed HAVOK given to them by the [[New Colonial Alliance]] was used by people of [[Carrow]] to power their emergency bunker. During the [[Carrow Conflict]], the HAVOK's core was used as the power source for a makeshift [[EMP]] weapon to disrupt the [[Jiralhanae Chieftain]] [[Hekabe]]'s control of the ''[[vertex]]'' and through it the [[Sharquoi]]. After Governor [[Ellis Gass]] took the ''vertex'' for herself, she drew the Sharqoui back inside [[Sharquoi hive|their hive]] and detonated the HAVOK, destroying the hive, the hundreds of thousands of Sharquoi inside and part of the nearby city of [[Suraka]]. Later scans by the [[UNSC frigate]] {{UNSCShip|Welcome to the Snipehunt}} confirmed that the HAVOK appeared to have taken out all of the Sharquoi, though plans were made to keep an eye on the nearby desert in case any escaped before the blast.{{Ref/Novel|HEnv}}


==Trivia==
==Trivia==
{{Linkbox|gallery=yes}}
{{Linkbox|gallery=yes}}
*In the ''[[Spartan Ops]]'' chapter [[Invasion (Spartan Ops)/Engine of Destruction|Engine of Destruction]], if the player looks closely at the displays for the nukes, it will read "''HAVOK Missle Controls Disarmed''". The spelling error is presumably an oversight.
*In the ''[[Spartan Ops]]'' chapter ''[[Invasion (Spartan Ops)/Engine of Destruction|Engine of Destruction]]'', if the player looks closely at the displays for the nukes, it will read "''HAVOK Missle Controls Disarmed''". The spelling error is presumably an oversight.
*The effects of the HAVOK nuclear weapon vary significantly between works of ''Halo'' media. In the weapon's first appearance in ''[[Halo: The Fall of Reach]]'', the HAVOK tactical nuke is said to have a yield of 30 megatons, and descriptions of detonations in ''The Fall of Reach'' produce damage on a local scale. When the weapon is shown going off on [[Sigma Octanus IV]] in ''[[Halo: Fall of Reach - Covenant]]'', it produces a continental-scale fireball that extends out into space and appears to break off pieces of the planet's crust, effects magnitudes more powerful than described in the novels. Conversely, in [[Halo: Escalation Issue 12|Issue 12]] of ''[[Halo: Escalation]]'', two HAVOKs dropped into a volcano-based pirate hideout cause significant damage to the base, yet do not critically endanger the Spartans inside. In ''[[Halo: Nightfall]]'', [[Jameson Locke]] implies that the HAVOK has a blast radius of 100 kilometers. The screen on the device later specifies that the weapon causes complete destruction within seven kilometers, and light damage for 44 kilometers. However, when the nuke's detonation is shown, the fireball completely overwhelms [[Alpha Shard]]'s width of 318 kilometers. While some the more egregious incongruities are likely the result of mistakes or artistic license, it is possible that like modern nuclear weapons, HAVOK weapons have [[Wikipedia:Variable yield|variable yields]]. Additionally, variants of the HAVOK may have differing yields by default.
*The effects of the HAVOK nuclear weapon vary significantly between works of ''Halo'' media. In the weapon's first appearance in ''[[Halo: The Fall of Reach]]'', the HAVOK tactical nuke is said to have a yield of 30 megatons, and descriptions of detonations in ''The Fall of Reach'' produce damage on a local scale. When the weapon is shown going off on [[Sigma Octanus IV]] in ''[[Halo: Fall of Reach - Covenant]]'', it produces a continental-scale fireball that extends out into space and appears to break off pieces of the planet's crust, effects magnitudes more powerful than described in the novels. Conversely, in [[Halo: Escalation Issue 12|Issue 12]] of ''[[Halo: Escalation]]'', two HAVOKs dropped into a volcano-based pirate hideout cause significant damage to the base, yet do not critically endanger the Spartans inside. In ''[[Halo: Nightfall]]'', [[Jameson Locke]] implies that the HAVOK has a blast radius of 100 kilometers. The screen on the device later specifies that the weapon causes complete destruction within seven kilometers, and light damage for 44 kilometers, which is consistent with a 30 megaton explosion per MIT's Nuclear Blast Wave Effects Calculator.<ref>[https://nuclearweaponsedproj.mit.edu/nuclear-weapon-effects-simulations-and-models/nuclear-weapons-blast-effects-calculator MIT]. For a 30,000 kiloton explosion at ground level, there will be an overpressure of 10 PSI up to 6.6 km ("heavily built concrete buildings are severely damaged or demolished; fatalities universal") and 1 PSI up to 43.6 km ("window glass shatters; light injuries from fragments occur").</ref> However, the weapon's display list its yield at 125 terajoules, which equates to 30 ''kilo''tons. Later still, when the nuke's detonation is shown, the fireball completely overwhelms [[Alpha Shard]]'s width of 318 kilometers. While some the more egregious incongruities are likely the result of mistakes or artistic license, it is possible that like modern nuclear weapons, HAVOK weapons have [[Wikipedia:Variable yield|variable yields]]. Additionally, variants of the HAVOK may have differing yields by default. The yield of the HAVOK used to destroy ''[[Mantle's Approach]]'' in ''[[Halo 4]]'' is not given, but [[Cortana]] states that a single device can turn [[Ivanoff Station]] "into piñata." It was only stated to be an excavation-grade device, suggesting that the weapon likely had a lower yield than what is used by the military. Detonated inside ''Mantle's Approach'' near the Composer, the HAVOK was powerful enough to destroy both the Forerunner vessel and the Composer itself.
*In ''[[Halo: The Fall of Reach - The Animated Series]]'', a Pelican during the [[Battle of Chi Ceti]] is armed with HAVOK nukes, one of which is used to destroy the Covenant ship. This contradicts the novel ''[[Halo: The Fall of Reach]]'' where the Pelican is only armed with standard missiles which are what is used to destroy the Covenant ship. This change was likely done for plot purposes in the animated series as it is the only place showing Pelicans armed with nuclear weapons.
*The HAVOK seen in ''[[Halo: Nightfall]]'' is much larger than the other HAVOKs seen in ''Halo'' canon. Most HAVOKs are described as being easily carried in a character's hands or attached to a Spartan's armor. The HAVOK in ''[[Halo 4]]'' is held between [[John-117]]'s hands without issue and attached to the back of his armor without taking up much room. In ''[[Halo: Silent Storm]]'', Blue Team carries multiple HAVOKs attached to their armor near the end of the book. The HAVOK in ''Halo: Nightfall'' is far bigger and cannot be easily carried around. When Colonel [[Randall Aiken]] carries the HAVOK away from the [[D81-LRT Condor|Condor]], he is carrying it over his shoulder.


==Gallery==
==Gallery==
{{Linkbox|gallery=yes}}
<gallery>
<gallery>
File:H4-Concept-HAVOK.jpg|Concept art of the HAVOK missile and warhead for ''[[Halo 4]]''.
File:H4-Concept-HAVOK.jpg|Concept art of the HAVOK missile and warhead for ''[[Halo 4]]''.
File:H4 BroadswordMissileMounting Concept.jpg|Concept explorations of the HAVOK missile's mounting on the Broadsword fighter.
File:H4 HAVOKWarhead Concept.jpg|Concept art of the HAVOK nuke's warhead.
File:H4-HavokTacNukeWarhead.png|An excavation-grade HAVOK warhead.
File:H4-HavokTacNukeWarhead.png|An excavation-grade HAVOK warhead.
File:H4-HavokTacNukeMissile.png|Extracted view of a missile carrying a HAVOK warhead.
File:H4-HavokTacNukeMissile.png|Extracted view of a missile carrying a HAVOK warhead.
Line 80: Line 95:
File:HE12 Havoks.jpg|HAVOK missiles impact a pirate base on [[Ven III]].
File:HE12 Havoks.jpg|HAVOK missiles impact a pirate base on [[Ven III]].
File:TFoR AS - HAVOK.jpg|A HAVOK aboard a Pelican.
File:TFoR AS - HAVOK.jpg|A HAVOK aboard a Pelican.
File:H4-HavokNuke-Missile.jpg|The HAVOK warhead and its Broadsword cradle.
</gallery>
</gallery>


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*''[[Halo: The Fall of Reach - The Animated Series]]''
*''[[Halo: The Fall of Reach - The Animated Series]]''
*''[[Halo 5: Guardians]]''
*''[[Halo 5: Guardians]]''
**''[[Halo 5: Guardians Limited Edition|Limited Edition]]'' {{Mo}}
**''[[Halo 5: Guardians Limited Edition dossiers|Limited Edition dossiers]]'' {{Mo}}
*''[[Halo: Ground Command]]'' {{Mo}}
*''[[Halo: Ground Command]]'' {{Mo}}
*''[[Halo: Envoy]]''
*''[[Halo: Retribution]]''
*''[[Halo: Silent Storm]]''
*''[[Halo: Shadows of Reach]]''
*''[[Halo: Epitaph]]'' {{Mo}}


== Sources ==
== Sources ==
<references/>
{{Ref/Sources}}


{{UNSC ordnance}}
{{UNSC ordnance}}


[[Category:Nuclear weapons]]
[[Category:Nuclear weapons]]

Latest revision as of 15:19, May 14, 2024

This article is about a nuclear weapon. For the software, see Havok.
HAVOK tactical nuclear weapon
H4-HAVOK-TacNuke-ScanRender.png
The Mark 2556 excavation-grade HAVOK warhead.
Production overview

Manufacturer:

Misriah Armory [1]

Type:

"Clean" thermonuclear weapon[2]

Specifications

Length:

13.8 inches (35 cm)[1]

Width:

7.1 inches (18 cm)[1]

Height:

7.5 inches (19 cm)[1]

Fissile material:

Mvalth-DTPF 80-S

Filler volume:

31.4 pounds (14.2 kg)

Yield:

30 megatons[3]

Service history

In service:

Human-Covenant War
Post-Covenant War conflicts

 

The HAVOK tactical nuclear weapon is a UNSC nuclear weapon produced by the Misriah Armory. It is classified as part of the Medium Fusion Destructive Device category.[1]

Variants[edit]

Several variants of the HAVOK nuclear device have been developed for use in different tactical situations, from ordnance deployed by ground forces to missile-based delivery systems.

HAVOK nuclear mine[edit]

The HAVOK tactical nuclear mine[4] is one of the most powerful ground-based nuclear ordnance in the UNSC arsenal, and has a thermonuclear yield of 30 megatons. It is described as looking like a small black half sphere, and does not contain any external indicators; the device only contains a thin slot on the unit's face to allow the detonation key to be inserted. The bottom of the unit contains bonding strips that allows the HAVOK to be attached to any type of surface. The mine can only be detonated by a remote signal, and if the device is placed underneath thick concrete and steel, or other objects that may cause interference, a ground-return receiver must be set up to allow the signal to reach the device.[2]

The HAVOK mine is used in situations where the UNSC must eliminate enemy forces in an area already claimed by them, or to prevent an area from falling into their hands. However, there are situations where the UNSC will use a HAVOK to eliminate Covenant ships deploying infantry and equipment. Nuclear weapons like the HAVOK are employed often but not always, and are only used when all civilian and military populations have been either evacuated, or compromised in a target area.

Variant V[edit]

The Variant V HAVOK is designed to maximize the thermonuclear yield in the vacuum of space.[5] The Variant V HAVOK is a warhead that is attached to a missile and can be launched from either the ground or from a ship.[6]

Mark 2521 MFDD[edit]

The Mark 2521 Medium Fusion Destructive Device is an excavation-grade variant of the weapon. It can be carried on a Pelican and can be stuck on a surface.[7]

Mark 2550 MFDD[edit]

The Havok Bunker Buster 2550 Medium Fusion Destructive Device is an excavation-grade variant of the Havok tactical nuclear weapon that is deployed via airdrop. As a medium-yield nuclear device, the BB 2550 gives off a relatively small amount of radiation when compared to other nuclear weaponry.[8] The device can be armed with an adjustable set timer. After a Havok BB 2550 is airdropped from an aircraft, the nuclear device deploys three helical fins to stabilize its fall.[9] As a bunker-buster weapon, the Mark 2550 is designed to direct most of the energy of the blast downward to maximize damage to subterranean targets.[10]

Mark 2556 MFDD[edit]

The Mark 2556 Medium Fusion Destructive Device[1] is an excavation-grade variant of the weapon, presumably used for excavation purposes in locations where a nuclear blast is required. A single warhead of this variant is stated to be able to turn Ivanoff Station "into a piñata".[11] Despite being excavation-grade, it could be attached to an F-41 Broadsword fighter in the form of a missile for ship-killing purposes. A single warhead was capable of destroying both the Composer and the powerful Forerunner vessel Mantle's Approach when detonated inside of the ship.[12]

Tactical uses[edit]

In 2526, HAVOKs were used during Operation: SILENT STORM. Three were used as part of a successful attack on the Fleet of Inexorable Obedience's logistics train while the main part of the fleet was distracted glassing Biko. Later, they were used alongside octas during the attack on the planet Zhoist and the Ring of Mighty Abundance in orbit. During part of the attack, Spartan-II Blue Team used two HAVOKs to destroy the under-construction Covenant supercarrier Hammer of Faith. This was accomplished by John-117 and Kelly-087 arming the HAVOKs and then tossing them into a gravity lift leading into the ship from a hanger bay in one of its construction barns. Blue Team managed to escape the blast in a group of Banshees, though the Banshees were fried from the gamma effects of the blast and the Banshees own poor gamma shielding.[13]

In 2531, HAVOK Variant V nuclear missiles were carried on the UNSC Spirit of Fire.[6] During the mission to the UNSC Prophecy, Captain James Cutter had the HAVOKs utilized against the Covenant forces along with the ship's MAC gun.[14]

On February 12, 2535 during the Battle of Jericho VII, UNSC NavSpecWep deployed three teams of SPARTAN-IIs on Jericho VII to combat Covenant forces invading the colony. At one point during the engagement Red Team was successfully able to plant a HAVOK near a Covenant rally point where a cruiser was to deploy ground forces while Blue Team was to clear out the rear guard of the Covenant forces so they could slip in. The plan was for the HAVOK to be detonated when the cruiser lowered its shields and landed to drop troops in order to take it out. Red Team succeeded in planting the device, but its unclear if the HAVOK ever destroyed a Covenant ship as the Spartans were recalled shortly thereafter and Jericho VII fell to the Covenant.[15]

In May 2545, the 53rd Armored Division of the UNSC Army detonated two HAVOKs to demolish three Covenant staging grounds during the Battle of Actium. The blasts wiped out much of the Covenant ground forces, but at the cost of no less than 12,000 Army personnel. The battle ultimately ended in a Covenant victory, as Actium was glassed.

On July 17, 2552, during the Battle of Sigma Octanus IV, Blue Team detonated a HAVOK nuclear mine in the city of Côte d'Azur, during the battle taking place on the planet, destroying the city and all the Covenant in it.[16]

In October–November 2552, HAVOK nuclear weapons were used during the Battle for Earth. One notable use was when Blue Team was deployed to Mount Erebus in the Antarctic to destroy a Covenant excavation force using a HAVOK.[17]

In July 2553, to destroy a Forerunner installation located in the Montero Cave System on Gao, Blue Team dropped a Havok BB 2550 nuke into an opening in the caverns which detonated and destroyed the installation. The blast also destroyed a dozen MV-29 Wyverns that were above the Well of Echoes pursuing their D102 Owl UNSC Silent Claw. The nuclear blast turned the Well of Echoes into a kilometer-deep shaft of fused limestone with a pool of molten stone glowing for a time at the bottom of the crater. Rather than realizing that the HAVOK was intended to destroy the Forerunner base, President Arlo Casille believed it to be the Spartans way of making good their escape by destroying their pursuers. Rather than admitting the truth about the nuclear blast, Casille chose to cover it up by claiming that the blast was caused by a downed Prowler's reactor going critical, knowing that if the citizens of Gao knew that the UNSC had detonated a nuclear weapon on their planet, they would push for a war with the UNSC that Casille didn't want.[9]

During December 2553, ten disarmed HAVOKs were used as part of Operation: RETRIBUTION by Veta Lopis' Ferret team. The team claimed to gunrunner Ross Nyeto that they were pirates who had stolen the HAVOKs from the UNSC Taulanti and were on the run from Blue Team as a result. In reality, four of the HAVOK shells contained their M7S submachine guns while another was in fact a disguised slipbeacon intended to signal their location to the Sahara-class prowler UNSC Silent Joe. After being brought aboard the Stolen Faith, the Ferrets retrieved their weapons from the HAVOKs. With the discovery of the Keepers of the One Freedom's Salvation Base, it was decided to have Blue Team reactivate the nine HAVOKs by replacing their missing tritium booster cylinders and use them to destroy the base. Linda-058 managed to reactivate six HAVOKs in the time she had on a five minute timer to the protests of Veta due to the human and Sangheili prisoners within the base. However, it was sadly recognized that they did not have time to rescue the prisoners with Keeper forces massing around them. Both Blue Team and the Ferrets escaped in a Turaco while the Silent Joe used Shiva-class nuclear missiles to attack six Keeper ships that tried to escape the blast. The detonation obliterated Salvation Base and killed all within it, including the prisoners, much to Veta's grief. It was estimated that 90% of the Keeper forces were destroyed and their operations in the sector crippled by the blast.[18]

In 2556, the destruction of the UNSC Pillar of Autumn on Installation 04 was discovered to have created deposits of a new element unique to a fragment of the installation known as Alpha Shard. The new element was fatal only to humans and was used in a terrorist attack on Sedra City. To prevent such an attack again, ONI Commander Jameson Locke got Rear Admiral Goodwin to approve the use of a HAVOK to destroy the deposits. Accompanied by forces from the Sedran Colonial Guard, Locke's team undertook a mission to the shard. In order to escape the shard, the HAVOK's emergency fuel cell was used to briefly power a Condor dropship, but this required a manual detonation of the warhead. As Locke and Private Talitha Macer escaped the shard in the smugglers' ship, Colonel Randall Aiken detonated the HAVOK, destroying the deposits and preventing their use ever again.[19]

Seven excavation-grade HAVOK warheads were stored on Ivanoff Station, presumably for excavation purposes rather than tactical ones given Ivanoff's status as a research station. During the Raid on Ivanoff Station by the Didact, the Master Chief had all of the warheads prepared in order to destroy the Composer and prevent the Didact from getting it. After the Didact digitized everyone in the station, the Master Chief took one of these HAVOKs in the form of a missile attached to an F-41 Broadsword fighter and chased after the Didact. During the Didact's subsequent attack on Earth, the Master Chief boarded the Didact's ship, Mantle's Approach with the HAVOK and detonated it, destroying the ship and the Composer.[11]

In the aftermath of the ship's destruction, a Sangheili terrorist attempted to destroy the city of Rio de Janeiro with a smuggled HAVOK warhead; he was ultimately stopped by UNSC special forces operatives.[20]

During the Requiem Campaign, Jul 'Mdama's Covenant stole at least seven HAVOK-class warheads from the UNSC. Fireteam Crimson discovered several nuclear missiles with their warheads missing in a Covenant supply depot in "Cyclone."[21] During an invasion of the UNSC Infinity, the Covenant planted one HAVOK in the ship's Server Room, and six more throughout the Engine Room. The HAVOKs were equipped with active camouflage to hide them from the ship's sensors which was discovered after Fireteam Crimson discovered a Sangheili deploying the warhead in the Server Room. After the warhead was disarmed and the Infinity's AI Roland realized that they were being protected with active camouflage, he was able to lock onto the energy signatures from the camouflage and direct Crimson to each warhead. Crimson managed to disarm all seven warheads with instruction from Roland and secured both the Server and Engine Rooms, keeping the disarmed warheads from being reclaimed by the Covenant until the attack could be repelled.[22][23]

In May 2558, during Operation: WHISTLE STOP, a Longsword dropped two HAVOK missiles on the Kig-Yar pirate queen's base on Ven III as she was launching in a Covenant corvette to engage the UNSC Infinity in space. The HAVOKs destroyed the pirate queen, her base and her launching forces.[24]

In September 2558, an old repurposed HAVOK given to them by the New Colonial Alliance was used by people of Carrow to power their emergency bunker. During the Carrow Conflict, the HAVOK's core was used as the power source for a makeshift EMP weapon to disrupt the Jiralhanae Chieftain Hekabe's control of the vertex and through it the Sharquoi. After Governor Ellis Gass took the vertex for herself, she drew the Sharqoui back inside their hive and detonated the HAVOK, destroying the hive, the hundreds of thousands of Sharquoi inside and part of the nearby city of Suraka. Later scans by the UNSC frigate UNSC Welcome to the Snipehunt confirmed that the HAVOK appeared to have taken out all of the Sharquoi, though plans were made to keep an eye on the nearby desert in case any escaped before the blast.[25]

Trivia[edit]

Main-Superintendent.png Browse more images in this article's gallery page.
  • In the Spartan Ops chapter Engine of Destruction, if the player looks closely at the displays for the nukes, it will read "HAVOK Missle Controls Disarmed". The spelling error is presumably an oversight.
  • The effects of the HAVOK nuclear weapon vary significantly between works of Halo media. In the weapon's first appearance in Halo: The Fall of Reach, the HAVOK tactical nuke is said to have a yield of 30 megatons, and descriptions of detonations in The Fall of Reach produce damage on a local scale. When the weapon is shown going off on Sigma Octanus IV in Halo: Fall of Reach - Covenant, it produces a continental-scale fireball that extends out into space and appears to break off pieces of the planet's crust, effects magnitudes more powerful than described in the novels. Conversely, in Issue 12 of Halo: Escalation, two HAVOKs dropped into a volcano-based pirate hideout cause significant damage to the base, yet do not critically endanger the Spartans inside. In Halo: Nightfall, Jameson Locke implies that the HAVOK has a blast radius of 100 kilometers. The screen on the device later specifies that the weapon causes complete destruction within seven kilometers, and light damage for 44 kilometers, which is consistent with a 30 megaton explosion per MIT's Nuclear Blast Wave Effects Calculator.[26] However, the weapon's display list its yield at 125 terajoules, which equates to 30 kilotons. Later still, when the nuke's detonation is shown, the fireball completely overwhelms Alpha Shard's width of 318 kilometers. While some the more egregious incongruities are likely the result of mistakes or artistic license, it is possible that like modern nuclear weapons, HAVOK weapons have variable yields. Additionally, variants of the HAVOK may have differing yields by default. The yield of the HAVOK used to destroy Mantle's Approach in Halo 4 is not given, but Cortana states that a single device can turn Ivanoff Station "into piñata." It was only stated to be an excavation-grade device, suggesting that the weapon likely had a lower yield than what is used by the military. Detonated inside Mantle's Approach near the Composer, the HAVOK was powerful enough to destroy both the Forerunner vessel and the Composer itself.
  • In Halo: The Fall of Reach - The Animated Series, a Pelican during the Battle of Chi Ceti is armed with HAVOK nukes, one of which is used to destroy the Covenant ship. This contradicts the novel Halo: The Fall of Reach where the Pelican is only armed with standard missiles which are what is used to destroy the Covenant ship. This change was likely done for plot purposes in the animated series as it is the only place showing Pelicans armed with nuclear weapons.
  • The HAVOK seen in Halo: Nightfall is much larger than the other HAVOKs seen in Halo canon. Most HAVOKs are described as being easily carried in a character's hands or attached to a Spartan's armor. The HAVOK in Halo 4 is held between John-117's hands without issue and attached to the back of his armor without taking up much room. In Halo: Silent Storm, Blue Team carries multiple HAVOKs attached to their armor near the end of the book. The HAVOK in Halo: Nightfall is far bigger and cannot be easily carried around. When Colonel Randall Aiken carries the HAVOK away from the Condor, he is carrying it over his shoulder.

Gallery[edit]

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  • Concept art of the HAVOK missile and warhead for Halo 4.

    Concept art of the HAVOK missile and warhead for Halo 4.

  • Concept explorations of the HAVOK missile's mounting on the Broadsword fighter.

    Concept explorations of the HAVOK missile's mounting on the Broadsword fighter.

  • Concept art of the HAVOK nuke's warhead.

    Concept art of the HAVOK nuke's warhead.

  • An excavation-grade HAVOK warhead.

    An excavation-grade HAVOK warhead.

  • Extracted view of a missile carrying a HAVOK warhead.

    Extracted view of a missile carrying a HAVOK warhead.

  • In-game view of a HAVOK nuclear missile.

    In-game view of a HAVOK nuclear missile.

  • In-game view of a HAVOK tactical nuclear warhead, mounted on the back of John-117's armor.

    In-game view of a HAVOK tactical nuclear warhead, mounted on the back of John-117's armor.

  • The Master Chief inspecting the missile's HAVOK warhead.

    The Master Chief inspecting the missile's HAVOK warhead.

  • The Master Chief removing the HAVOK warhead.

    The Master Chief removing the HAVOK warhead.

  • The HAVOK warhead is removed from the missile.

    The HAVOK warhead is removed from the missile.

  • HAVOK missiles impact a pirate base on Ven III.

    HAVOK missiles impact a pirate base on Ven III.

  • A HAVOK aboard a Pelican.

    A HAVOK aboard a Pelican.

  • The HAVOK warhead and its Broadsword cradle.

    The HAVOK warhead and its Broadsword cradle.

List of appearances[edit]

Sources[edit]

  1. ^ a b c d e f Halo 4: The Essential Visual Guide, page 83
  2. ^ a b Halo: The Fall of Reach, page 200 (2001)
  3. ^ Halo: The Fall of Reach, page 3 (2001); page 16 (2010)
  4. ^ Halo: The Fall of Reach, page 177 (2001)
  5. ^ See talk page under subject "On HAVOK Nuclear Warhead"
  6. ^ a b Halo Wars: Genesis, page 17
  7. ^ Halo: The Fall of Reach - The Animated Series - Act 3
  8. ^ Halo: Last Light, page 325
  9. ^ a b Halo: Last Light, pages 376-380
  10. ^ Halo: Last Light, page 364 (Google Play edition)
  11. ^ a b Halo 4, campaign level Composer
  12. ^ Halo 4, campaign level Midnight
  13. ^ Halo: Silent Storm
  14. ^ Halo Wars: Genesis
  15. ^ Halo: The Fall of Reach, Prologue
  16. ^ Halo: The Fall of Reach, page 212
  17. ^ Halo: Ghosts of Onyx, page 203
  18. ^ Halo: Retribution
  19. ^ Halo: Nightfall
  20. ^ Spartan Ops, S1E01 Departure
  21. ^ Spartan Ops, S106 Search and Destroy
  22. ^ Spartan Ops, S107 Engine of Destruction
  23. ^ Spartan Ops, S107 The Guns of Infinity
  24. ^ Halo: Escalation, Issue #12
  25. ^ Halo: Envoy
  26. ^ MIT. For a 30,000 kiloton explosion at ground level, there will be an overpressure of 10 PSI up to 6.6 km ("heavily built concrete buildings are severely damaged or demolished; fatalities universal") and 1 PSI up to 43.6 km ("window glass shatters; light injuries from fragments occur").

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