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{{Title|ONI Alpha Site}}
{{Era|H3R}}
{{Status|Gameplay}}
{{Ratings}}
{{Disambig header|the campaign level|other uses|Alpha Site (disambiguation)}}
 
{{Level infobox
{{Level infobox
|pagegamelabel=ODST
|image=[[Image:94553486-Full.jpg|350px]]
|concurrent=''[[Mombasa Streets]]''
|prev=[[Kizingo Boulevard (Level)|Kizingo Boulevard]]
|next=[[NMPD HQ (Level)|NMPD HQ]]
|game=''[[Halo 3: ODST]]''
|name='''''ONI Alpha Site'''''
|name='''''ONI Alpha Site'''''
|image=[[File:H3ODST ONIAlphaSite Loadscreen.png|300px]]
|player= [[Taylor Miles|Dutch]]
|game=''[[Halo 3: ODST]]''
|date=[[2552#October 20, 2552|October 20, 2552]]
|devname=<code>sc130</code>{{Ref/File|Id=H3ODSTEK|H3ODSTEK|H3ODSTEK\tags\levels\atlas\sc130\sc130.scenario}}
|place=[[ONI Alpha Base]], [[New Mombasa]], [[Earth]]
|player=*[[ODST_(player_character)#Dutch|Dutch]] (player 1)
|Objective=Fall back, deny access to this vital facility
*[[ODST_(player_character)|ODST]] (co-op)
|enemies=*[[Jiralhanae|Brutes]]
|date=[[2552#October 20, 2552|October 20, 2552]], 1810 hours
*[[Mgalekgolo|Hunters]]
|place=ONI Alpha Site, [[New Mombasa]], [[Earth]]
*[[Yanme'e|Drones]]
|objective=Defend ONI Alpha Site from the [[Covenant Empire|Covenant]]
*[[Unggoy|Grunts]]
|partime=00:13:00 {{C|''Master Chief Collection''}}
*[[Jackals]]
|parscore=16,000 {{C|''Master Chief Collection''}}<br/>60,000 {{C|''Halo 3: ODST''}}
*[[Brute Chieftan]]
*[[Type-25 Assault Gun Carriage|Wraiths]]
*[[Type-26 Ground Support Aircraft|Banshees]]
*[[Type-52 Troop Carrier|Phantoms]]
}}
}}
{{Article quote|Fall back, deny access to this vital facility.}}
'''ONI Alpha Site'''<ref>[http://www.gametrailers.com/video/e3-09-halo-3-odst/50402 '''GameTrailers''': Halo 3: ODST - ''E3 09: Campaign Developer Walkthrough Pt. 2'']</ref> is the fourth flashback level in ''[[Halo 3: ODST]]'' [[campaign]].


Completing this level on [[Normal]] or above unlocks the Firefight map ''[[Alpha Site]]'', which is based on this level. ''[[Security Zone]]'' is also based on this level.
'''ONI Alpha Site'''<ref>http://www.gametrailers.com/video/e3-09-halo-3-odst/50402</ref> is one of the flashback levels in ''[[Halo 3: ODST]]''. It is set in the [[ONI Alpha Site]] in [[New Mombasa]].


The level is set two hours after [[Unnamed Shock Trooper Squad|the Squad]]'s drop into the city, and four hours before [[the Rookie]]'s awakening, from [[Taylor Miles|Dutch]]'s point of view. He and [[Michael Crespo|Mickey]] are [[Battle of Mombasa|defending the ONI facility]] with the help of the city's [[Superintendent (Construct)|Superintendent]], [[NMPD]], and [[Marine|Marine forces]].
[[File:ONI Alpha Site.jpg|thumb|right|250px|This mission's beacon is the remains of a M195 Demo Charge.]]
==Summary==
==Summary==
The level opens as Dutch and [[Michael Crespo|Mickey]] are setting [[M165 Demolition Charge|demolition charges]] to destroy the bridge leading to the complex to prevent the [[Covenant Empire|Covenant]] forces from accessing it. After the charges are armed, an NMPD officer commands the Superintendent to unlock a keypad on a bridge toll booth so they can remotely detonate the charges. The AI is hesitant at first, but eventually lets Dutch destroy the bridge. After this, they fall back deeper into the facility, fighting off more waves of Covenant until they are forced to retreat into the ONI building itself. Dutch and the NMPD officers fight off the squads of Brutes, Grunts and Jackals that continue to push into the building. Eventually the fight is brought up to the roof of the facility, where the final Covenant infiltrators are killed. A [[D77C-NMPD Pelican|Pelican]] picks up Dutch and Mickey, and the level ends as Mickey remote detonates the charges in the ONI facility, destroying it.
 
The level opens as they are setting [[M165 Demolition Charge|demolition charges]] to destroy the bridge leading to the complex to prevent the [[Covenant Empire|Covenant]] forces from accessing it. After the charges are armed, an NMPD officer commands the Superintendent to unlock a keypad on a bridge toll booth so they can remotely detonate the charges. The AI is hesitant at first, but eventually lets Dutch destroy the bridge. After this, they fall back deeper into the facility, fighting off more waves of Covenant until they are forced to retreat into the ONI building itself. Dutch and the NMPD officers fight off the squads of Brutes, Grunts and Jackals that continue to push into the building. Eventually the fight is brought up to the roof of the facility, where the final Covenant infiltrators are killed. A Pelican picks up Dutch and Mickey, and the level ends as Mickey remote detonates the charges in the ONI facility, destroying it.


==Transcript==
==Transcript==
[http://youtu.be/W8fE1aXtSl8 '''{''Cutscene''}''']
'''Dutch'''
 
'''DUTCH'''


'''ONI Alpha Site'''
'''ONI Alpha Site'''
Line 34: Line 41:
'''2 hours after drop'''
'''2 hours after drop'''


''The cutscene opens on the bridge leading to the ONI Alpha Site. Dutch watches as a [[Zurdo-pattern Wraith|Wraith]] moves into position at the end of the bridge, while Mickey arms a detonator.''
''{Cutscene}''
 
''Dutch watches as a Wraith moves into position, as Mickey arms a detonator.''


*'''[[Corporal]] [[Taylor H. Miles|Taylor "Dutch" Miles]]''': "Hurry up!"
'''Dutch''': ''{whispers}'' Hurry up!


''The Wraith starts to open fire.''
''Wraith starts to open fire.''


*'''[[Private First Class]] [[Michael Crespo|Michael "Mickey" Crespo]]''': "Hey, you wanna do this? Be my guest. But this, ain't... ''(presses button)'' a job you wanna rush."
'''Mickey''': You wanna do this? Be my guest. But this... (Presses button) ain't a job you wanna rush.


[[File:H3ODST DutchCinematic.jpg|thumb|300px|Mickey and Dutch plant [[M168 Demolition Charge|demolition charges]] on the bridge leading to the Alpha Site.]]
''Mickey finishes arming the detonator.''
''Mickey finishes arming the detonator.''


*'''Dutch''': "That do it?"
'''Dutch''': That do it?
 
''Dutch looks down the bridge to a watchtower with an NMPD Officer in it, which almost gets hit by a plasma mortar.''
 
*'''NMPD Officer (radio)''': "Signal's good! Arm the other detonators and pull back to me!"


*'''Mickey''': "Come on, tough guy, we gotta blow this bridge."
''Dutch looks down the bridge to a tower with an NMPD Officer in it, which almost gets hit by a plasma mortar.''


''The two run down the bridge, while another Wraith moves in and starts to fire.''
'''NMPD Officer''': Signal's good! Arm the other detonators and pull back to me!


''The view switches to Dutch, who takes cover behind a destroyed [[M12 Warthog|Warthog]], while Mickey hides behind a barricade. Plasma shots from the Wraiths secondary gunners streak past them. A plasma mortar lands several meters in front of Dutch, staggering him.''
'''Mickey''': Come on tough guy, we gotta blow this bridge.


*'''Mickey''': "Dutch, arm the other charges!"
''The two run down the bridge, another Wraith moves in and starts to fire.''


''Dutch looks back at the Wraiths starting to move up to the bridge. Their gunners continue firing at him.''
''The view switches to Dutch, who takes cover behind a destroyed Warthog, a plasma mortar lands a few feet in front of him.''


*'''Dutch''': "What about those Wraiths?"
'''Mickey''': Dutch, arm the other charges!


*'''Mickey''': "Forget about 'em, we got explosives to set!"
'''Dutch''': What about those Wraiths?


'''{''Gameplay''}'''
'''Mickey''': Forget about 'em, we got explosives to set!


*'''Mickey''': "Follow me, arm the charges!"
''{Gameplay begins}''


''A squad of Marines on the bridge buckle under the Covenant assault, and are forced to pull back.''
'''Mickey''': Follow me, arm the charges!


*'''Marine''': "We'll never stop that armor! Fall back!"
''After the second charge is armed two banshees join the fight.''


''If the player turns to fight the advancing Covenant horde:''
'''Mickey''': That's the last one Dutch, everyone behind those barriers, bridge is set to blow.


*'''Mickey''': "Dutch, ignore those tanks!"
''If Dutch doesn't go up the ladder to the tower''


''If the player walks past the first charge:''
'''Mickey''': Dutch, get to the tower!
 
*'''Mickey''': "I got this one, Dutch, you do the rest!"
 
''If the player walks past the second charge:''
 
*'''Mickey''': "Great, I got to do everything myself?"
 
''After the second charge is armed, two [[Type-26 Banshee|Banshee]]s join the fight.''
 
*'''Mickey''': "That's the last one, Dutch! Everyone, behind those barriers, bridge is set to blow!"
 
''If the player doesn't go up the ladder to the tower''
 
*'''Mickey''': "Watchtower Dutch, get up there and pull the trigger!"


''Dutch heads for the tower and goes up the ladder.''
''Dutch heads for the tower and goes up the ladder.''


*'''NMPD Officer''': "Come on, Super, unlock the keypad!"
'''NMPD Officer''': Come on, Super, unlock the keypad!


*'''Superintendent''': "KEEP IT CLEAN! RESPECT PUBLIC PROPERTY!"
'''Superintendent''': Keep it clean! Respect public property!


*'''NMPD Officer''': "If you don't let us trigger those charges, in about five minutes, your data center's going to be ''crawling'' with Covenant!"
'''NMPD Officer''': If you don't let us trigger those charges, in about five minutes, your data center's going to be crawling with Covenant.


''The Superintendent gives off a chime.''
''The Superintendent gives off a chime.''


*'''NMPD Officer''': "About damn time! Do it, trooper!"
'''NMPD Officer''': About damn time! Do it trooper!
 
''If the player doesn't trigger the charges yet:''
 
*'''NMPD Officer''': "Trooper, use the laptop to trigger the charges!"
 
''If the player further stalls:''
 
*'''Mickey''': "What's the hold up, Dutch? Blow this sucker sky high!"
 
''If some Covenant succeed in crossing the bridge:''
 
*'''Marine''': "Kill their infantry! Don't let them cross the bridge!"
 
''Dutch or the NMPD Officer triggers the charges:''
 
*'''Superintendent''': "BRIDGE TOLL ACCEPTED. HAVE A PLEASANT TRIP."
 
''The bridge is destroyed, killing all Covenant troops still on the bridge.''
 
*'''Mickey''': "Woo-hoo! Yeah! That's the way."
 
''Mickey, Dutch, the Marines and the NMPD Officer make their way under the wall.''
 
*'''Mickey''': "Aw man, Covenant landing on the other side of the wall!"
 
''If the player doesn't go under the wall:''
 
*'''Mickey''': "C'mon Dutch, those cops aren't going to last long against [[Brute]]s!
 
''If the player still doesn't follow Mickey:''
 
*'''Mickey''': "Over here, Dutch, into the tunnel, under the wall!"
 
''The group make their way up the stairs, to the courtyard.''
 
*'''Mickey''': "Go, Dutch! We gotta keep the Covenant away from that building."
 
----
''From this point on, if the IWHBYD skull is activated, and the player stares at Mickey, the two exchanges dialogue randomly chosen from the following lists:''
 
*'''Mickey''':
**"I wonder if [[Edward Buck|Gunny]] is also having this much fun."
**"If the Covenant want this building so bad, I say we let them take it!"
**"Don't look at me, Dutch! I [[Kizingo Boulevard|voted to get out the hell of here]]!"
**"See, Dutch? This is what happens when you help people."
**"I love blowing crap up, Dutch, but this situation sucks."


*'''Dutch''':
''Dutch arms the charges''
**"Quiet, Mickey, I'm trying to fight!"
**"Mickey, Relax! We'll be fine!"
**"Are you always this optimistic?"
**"Quit griping Mickey, we got work to do."
----


''Mickey and Dutch make their way up the hill, where a group of Covenant infantry, including a [[Mgalekgolo]] pair assault more NMPD Officers and Marines.''
'''Superintendent''': Bridge toll accepted! Please have a pleasant trip!


*'''Female Marine''': "All teams, hold the ridge, don't let them near the [[ONI]] building!"
''The bridge is destroyed, killing the Covenant troops still on the bridge.''


*'''[[Jiralhanae Captain]]''': "We do the Prophet's bidding, show no fear!"
'''Mickey''': Woo-hoo! Yeah! That's the way.


''Soon, more and more waves of Covenant are dropped off. Multiple Wraith tanks are dropped in by [[Ru'swum-pattern Phantom|Phantom]]s.''
''The ODSTs and the Police Officers make their way under the wall.''


*'''Female Marine''': "Fall back! I repeat, fall back to the top of the ridge!"
'''Mickey''': Aww man, Covenant landing on the other side of the wall!


*'''Jiralhanae Captain''': "Forward, warriors! Take this hill or ''die upon it''!"
''The group make their way up the stairs, to the court yard.''


''The human forces fall back to the entrance to the ONI building. They fend off increasing numbers of Covenant.''
'''Mickey''': Go Dutch! We gotta keep the Covenant away from that building.


*'''Mickey''': "More Phantoms, look sharp!"
''Mickey and Dutch make their way up the hill, which is being defended by more NMPD Officers and Marines.''


*'''Female Marine''': "We can't hold 'em, everyone fall back inside the building!"
'''Marine''': All teams, hold the ridge, don't let them near the ONI building!


*'''Mickey''': "Too many of 'em, Dutch. We gotta scoot!"
''Soon, more and more waves of Covenant are dropped off.''


*'''Jiralhanae Captain''': "Forward! Grind their bones beneath your feet!"
'''Marine''': Fall back! I repeat, fall back to the top of the ridge!


*'''Mickey''': "Dutch, inside the building! NOW!"
'''Brute''': Forward, warriors! Take this hill or die upon it!


''A mass of Covenant soldiers, including a [[Jiralhanae Chieftain]] charge the human defenses. The ODSTs retreat into the building's interior. NMPD Officers go outside in a last effort to hold back the Covenant. Dutch and Mickey go to a group of officers in the center of the complex.''
'''Mickey''': More Phantoms, look sharp!


*'''NMPD [[Sergeant]]''': "Hurry up, men, check those charges!"
'''Marine''': We can't hold 'em, every one fall back inside the building!


*'''Mickey''': "Wait, what? More explosives?"
'''Mickey''': You heard 'em Dutch, we gotta move!


*'''Dutch''': "Yeah, what gives? I thought we were supposed to protect this building."
''The ODSTs retreat into the building's interior. NMPD Officers go outside in a last effort to hold back the Covenant. Dutch and Mickey go to a group of officers in the centre of the complex.


*'''NMPD Sergeant''': "I have orders to deny enemy access to all classified data housed in this facility. You don't like it, jump your butts back into orbit!"
'''NMPD Sergeant''': Hurry up men! Check those charges!


*'''Mickey''': "The only thing I don't like is that our butts are currently ''inside'' this facility."
'''Mickey''': Wait, what? More explosives?


''Cutting noises and sparks appear on the sealed doorways.''
'''Dutch''': Yeah, what gives, I thought we were supposed to protect this building?


*'''NMPD Officer''': "They're cuttin' through the door!"
'''NMPD Sergeant''': I have orders to deny enemy access to all classified data housed in this facility. You don't like it, you can jump your butts back into orbit!


*'''NMPD Sergeant''': "Settle down people, find some cover. Someone man that turret."
'''Mickey''': The only thing I don't like, is that our butts are currently&nbsp;''inside'' this facility.


''The doors explode. [[Jiralhanae]] can be heard giving out battle cries.''
'''NMPD Officer''': They're cuttin through the door.


*'''NMPD Sergeant''': "Alright, here they come. Watch your crossfire people."
'''NMPD Sergeant''': Settle down people, find some cover. Some one man that turret.


''Waves of [[Unggoy]] charge the humans, carrying ignited [[Anskum-pattern plasma grenade|plasma grenades]]. During the fight, Mickey and the Sergeant will notify Dutch of the direction the enemies are coming from:''
''The doors explode''


*'''NMPD Sergeant''': "Where's that fifty? We got hostiles right!"
'''NMPD Sergeant''': Alright, here they come. Watch your crossfire people.


*'''NMPD Sergeant''': "They're comin' in on the left, adjust your fire!"
''During this Mickey and the Sergeant will say various line, so the player knows to change direction.''


*'''Mickey''': "Dutch, scan right!"
'''NMPD Sergeant''': Where's that turret? We got hostiles right!


*'''Mickey''': "They're pouring into the left!"
'''Mickey''': Dutch, scan left!


*'''Mickey''': "Right side, Dutch!"
'''NMPD Sergeant''': They're comin' in on the left, adjust your fire.


*'''NMPD Sergeant''': "Left side, trooper! Bring that turret round!"
'''NMPD Sergeant''': Left side trooper! Bring that turret round!


''After many waves of suicide Unggoy, [[Kig-Yar]] and Jiralhanae join the battle. Eventually, the humans staunch the forces coming in from the doors, however the Covenant start dropping in troops behind Dutch and Mickey.''
''After defeating a few waves, the Covenant start dropping in troops behind Dutch and Mickey.''


*'''NMPD Sergeant''': "Phantom dropping reinforcements, cover your rear, trooper!"
'''NMPD Sergeant''': Covenant dropping reinforcements behind, cover your rear trooper!


''Soon the Covenant reinforcements are defeated.''
''Soon the Covenant reinforcements are defeated.''


*'''Mickey''': "That's the last of 'em, Dutch. Come back to my position!"
'''Mickey''': That's the last of 'em Dutch, come back to my position!


''An NMPD Officer arrives with an elevator.''
''An NMPD Officer arrives with an elevator.''


*'''NMPD Officer''': "Everyone on the elevator, I put enough charges in this shaft to blow this building twice!"
'''NMPD Officer''': Everyone in the elevator, I put enough charges in this shaft to blow this building twice!


''Mickey and Dutch, along with any survivors from the previous battle, get in the elevator.''
'''Mickey''': Alright, that's it, transfer the detonation codes to my comms, if anyone's takin this place out, it's gonna be me.
 
*'''Mickey''': "Alright, that's it. Transfer the detonation codes to my COM. If anyone's takin' this place out, it's gonna be me."


''Dutch activates the elevator, and they slowly make their way up.''
''Dutch activates the elevator, and they slowly make their way up.''


*'''NMPD Officer''': "Evac bird's gonna meet us on the roof."
'''NMPD Officer''': Evac bird's gonna meet us on the roof.


''On the way up they are ambushed by a swarm of [[Yanme'e]].''
''However, on the way up they are soon engaged by a swarm of Drones.''


*'''Dutch''': "Where the heck did these buggers come from?"
'''Dutch''': Where the heck did these buggers come from?


*'''NMPD Officer''': "Underground tunnels are ''filled'' with the damn things!"
'''NMPD Officer''': Underground tunnels are filled with the damn things!


*'''Mickey''': "Finally, a good reason to blow this building up!"
'''Mickey''': Finally! A good reason to blow this building up.


''They soon defeat the Yanme'e and make it to the roof, where a Phantom is dropping off a pack of [[Jiralhanae Jumper]]s, along with Kig-Yar and Unggoy infantry.''
''They soon defeat the Drones and make it to the roof, where a Phantom is dropping off reinforcements.''


''On Legendary, a Jiralhanae Chieftain will be present.''
''After the Phantom leaves, the Evac Pelican arrives, and helps the ODSTs with the enemy reinforcements, which are soon defeated.''


''After the Phantom leaves, the evac [[D77C-NMPD Pelican|Pelican]] arrives, and helps the [[ODST]]s with the enemy reinforcements, which are soon defeated.''
'''Mickey''': There's our ride, go! Go! Go!


*'''Mickey''': "There's our ride, go! Go! Go!"
''If the player doesn't board it''


''If the player doesn't board it:''
'''Mickey''': Dutch, I thought you wanted to leave.


*'''Mickey''': "Let's get outta here, Dutch, come on!
''As soon as the player boards the Pelican, the level ends.''


''If the player still doesn't board it:''
''{Cutscene}''


*'''Mickey''': "Building's lost. Nothing more we can do."
''If the player still doesn't board the Pelican:''
*'''Mickey''': "Dutch, I thought you wanted to leave."
''or, with IWHBYD skull activated:''
*'''Mickey:''' "Dutch, you dumbass, get aboard!"
''As soon as the player boards the Pelican, the level ends.''
[http://youtu.be/jkPGRXceCaY '''{''Cutscene''}''']
[[File:Alphas destro.png|thumb|300px|The Superintendent witnesses the destruction of the Alpha Site.]]
''Mickey and Dutch board the Pelican, remove their helmets and take a seat. The NMPD officer on board looks at them.''
''Mickey and Dutch board the Pelican, remove their helmets and take a seat. The NMPD officer on board looks at them.''


*'''NMPD Officer''': "Hey, you fellas know a [[Gunnery Sergeant]] [[Edward Buck|Buck]]?"
'''NMPD Officer''': Hey, you fellas know a Gunnery Sergeant Buck?


*'''Mickey''': "Sure do!"
'''Mickey''': Sure do!


*'''NMPD Officer''': "Patching him through."
'''NMPD Officer''': Patching him through.


''The Pelican lifts off and departs the ONI building''
''The Pelican lifts off and departs the ONI building''


*'''Gunnery Sergeant Edward Buck (COM)''': "Glad you boys are safe and sound."
'''Buck''': Glad you boys are safe and sound.


*'''Dutch''': "Likewise, Gunny, you need a pickup?"
'''Dutch''': Likewise Gunny, you need a pickup?


*'''Buck (COM)''': "Long as you're offerin'. We're in [[NMPD headquarters|the police HQ]]."
'''Buck''': Long as you're offerin', we're in the Police HQ.


*'''Dutch''': ''(to the NMPD Officer)'' "Can you take us there?"
'''Dutch''': Can you take us there?


*'''NMPD Officer''': "Affirmative!"
'''NMPD Officer''': Affirmative!


*'''Buck (COM)''': "Alright, meet you up top!"
'''Buck''': Alright, meet you up top!


''Mickey nudges Dutch.''
''Mickey nudges Dutch''


*'''Dutch''': "What?"
'''Dutch''': What?


''Mickey points to the ONI building, and starts to count down from three on his fingers. When he reaches zero, he detonates the charges, destroying the building.''
''Mickey points to the ONI Building, and starts to count down from three on his fingers, when he reaches zero, he detonates the charges destroying the building.''


*'''Mickey''': ''(laughs)'' "This day ain't turnin' out so bad after all!"
'''Mickey''': ''{laughs}'' This day ain't turnin' out so bad after all!


*'''Dutch''': "Heh."
''The Pelican flies aways as the view changes to a Superintendent camera, the avatar gives a confused then angry face as the building is destroyed.''


''The Pelican flies away as the view changes to a Superintendent camera, the avatar gives a confused then angry face as the building is destroyed.''
''Cutscene ends, fades back to the Rookie.''
 
''The cutscene ends. Screen fades to black.''
 
==Achievements==
The following [[achievement]]s can be unlocked on ONI Alpha Site across the [[Xbox 360]] and ''[[Halo: The Master Chief Collection]]'' editions of ''Halo 3: ODST''.
{| class="wikitable"
|-
! scope="col" style="width:135px;text-align:center;" |'''''Halo: 3: ODST'' (Xbox 360)'''
! scope="col" style="width:135px;text-align:center;" |'''''Halo: MCC'' (Xbox One)'''
! scope="col" style="width:135px;text-align:center;" |'''''Halo: MCC'' (Steam)'''
! scope="col" style="width:175px;height:20px;text-align:center;" |'''Title'''
! scope="col" style="width:350px;height:20px;text-align:center;" |'''Unlock requirement'''
! scope="col" style="width:200px;height:20px;text-align:center;" |'''Games'''
|-
|[[File:H3ODST Achievement ONI Alpha Site.png|center|64px]]
|[[File:HTMCC H3ODST Achievement ONIAlphaSite.png|center|114px]]
|[[File:HTMCC H3ODST Achievement ONIAlphaSite Steam.jpg|center|64px]]
|<center>'''[[ONI Alpha Site (achievement)|ONI Alpha Site]]'''</center>
|Complete ONI Alpha Site on [[Normal]], [[Heroic]], or [[Legendary]]. {{C|''Halo 3: ODST''}}<br/> Complete ONI Alpha Site on any difficulty. {{C|''Halo: The Master Chief Collection''}}
|<center>''[[Halo 3: ODST]]''<br/>''[[Halo: The Master Chief Collection]]''</center>
|-
|[[File:H3ODST Achievement Laser Blaster.png|center|64px]]
|<center>N/A</center>
|<center>N/A</center>
|<center>'''[[Laser Blaster]]'''</center>
|Get 10 Spartan Laser kills on ONI Alpha Site.
|<center>''[[Halo 3: ODST]]''</center>
|-
|<center>N/A</center>
|[[File:A Pleasant Trip.jpg|center|114px]]
|[[File:HTMCC H3ODST Achievement APleasantTrip Steam.jpg|center|64px]]
|<center>'''[[A Pleasant Trip]]'''</center>
|Beat the par time on ONI Alpha Site.
|<center>''[[Halo: The Master Chief Collection]]''</center>
|-
|<center>N/A</center>
|[[File:I Love My Job.jpg|center|114px]]
|[[File:HTMCC H3ODST Achievement ILoveMyJob Steam.jpg|center|64px]]
|<center>'''[[I Love My Job]]'''</center>
|Beat the par score on ONI Alpha Site.
|<center>''[[Halo: The Master Chief Collection]]''</center>
|-
|<center>N/A</center>
|[[File:What About Those Tanks.jpg|center|114px]]
|[[File:HTMCC Achievement What About Those Tanks Steam.jpg|center|64px]]
|<center>'''[[What About Those Tanks?]]'''</center>
|Destroy 7 Wraiths on ONI Alpha Site.
|<center>''[[Halo: The Master Chief Collection]]''</center>
|-
|<center>N/A</center>
|[[File:Fowl Hunt.jpg|center|114px]]
|[[File:HTMCC Achievement Fowl Hunt Steam.jpg|center|64px]]
|<center>'''[[Fowl Hunt]]'''</center>
|Kill 3 Jetpack Brutes with a shotgun on ONI Alpha Site.
|<center>''[[Halo: The Master Chief Collection]]''</center>
|}


==Trivia==
==Trivia==
===References===
*During the drop sequence when the player is in a [[Single Occupant Exoatmospheric Insertion Vehicle|SOEIV]] the ONI Alpha Site and its surroundings can be seen, including the bridge that is destroyed two hours later in this mission.
*During the drop sequence when the player is in their [[M8900 drop pod|Pod]] the ONI Alpha Site and its surroundings can be seen, including the bridge that is destroyed two hours later in this mission.
*If playing on Co-op with campaign scoring active, the [[host]] will receive points for any Covenant who are killed by the bridge's detonation, often resulting in large multi-kills such as [[Killpocalypse Medal|Killpocalypse]] or [[Killionaire Medal|Killionaire]].
*In the level ''[[Data Hive]]'', when Dare says "Some idiots blew the building at the top of the shaft", she is referring to the destruction of the ONI building in this level.
*Inside the base is a memorial wall with hundreds of names of the people who have died in the war. [[Catherine Elizabeth Halsey|Dr. Catherine Halsey]] and [[Preston Cole|Admiral Preston Cole]] are listed, along with some humorous names, like London Bridges.
 
*At the part where you have to defend until the elevator comes, if you jump over the walls (where the elevator comes up) and fall to the bottom then go into theater and go to the bottom you will see an unarmed explosive, this is either a glitch or an Easter egg or it was placed there on purpose, it is still odd for it to be the only one in the shaft. It is also on the firefight map Alpha Site, (unarmed green, red armed).  
===Miscellaneous===
*The beginning of the level up to the bridge explosion was the first level shown at E3 2009.
*The beginning of the level up to the bridge explosion was the first level shown at E3 2009.
*There is a discontinuity between the beginning cutscene and when gameplay first starts. By the end of the cutscene, one of the two Wraiths are already on the bridge, and its gunner is firing at Dutch. However, when gameplay begins, no Wraith is present on the bridge, and the Wraith that was shooting at Dutch should be next to the retreating marines.
*The NMPD officer in charge of the group Dutch and Mickey team up with in the main hall of the ONI site has glasses&nbsp;which will read either&nbsp;"Keep it Clean" or &nbsp;"Please remain calm" running across them in a loop (best seen using Theater Mode).
*It seems rather strange that Mickey, a Private First Class, gives orders to Dutch, a Corporal, though this may be a sign of the close and informal bond squad members share, or to help guide new players who otherwise might not have known what to do. Given Mickey's specialization in explosives, it is possible he ordered Dutch simply because of his expertise.
*You can get outside the level in theater mode by flying to the left of the building before the game loads the second section of the level.
*Strangely, the Superintendent places beacons on the charges but initially refuses to allow the humans to destroy the bridge. This is due to the fact that the first human to try is an NMPD officer and the Superintendent has been [[Sadie's Story|having trouble]] with corrupt cops and thus doesn't trust one.
*At the part where you are inside the ONI building with the [[Kamikaze Grunt|Kamikaze Grunts]], if you kill 1 while it is near the other, (a better chance of getting this with the Mythic Skull on) sometimes the grenades will drop out of its hands and it will be unarmed.
*The NMPD Officer in the watchtower is almost invincible, being able to withstand several spartan laser shots, sniper rifle rounds, even the odd Wraith shot.
*In the level Data Hive when Dare says "Some idiots blew the building at the top of the shaft."&nbsp; She is probably referring to blowing up the ONI building in this level.
*The Marines on the bridge are usually weaker than the ones near the building, and are usually killed as they descend the steps to the courtyard.
*The Officer in the tower is almost invincible, being able to withstand several spartan laser shots, sniper rifle rounds, even the odd wraith shot.
*There are '''[[Seven|7]]''' pairs of bridge supports between either entrance to the bridge, another reference to the number.
*If a marine is near the bridge when it explodes, if they don't die, they will be thrown quite far,&nbsp;and in rare cases will be thrown through the wall.
*If the player doesn't arm the explosives and instead kill all of the Covenant on the bridge, Mickey will arm the charges and the NMPD Officer will blow it instead, even if the player is still on the bridge and it is cleared of all Covenant.
*For some reason, no marines will go inside of the ONI building, even if you manage to kill all the enemies and keep a marine alive. This may be a game error since you can see NMPD Officers going inside.
*If playing on Co-op with campaign scoring active, the [[host]] will receive points for any Covenant who are killed by the bridge's detonation, often resulting in large multi-kills medals such as [[Killpocalypse Medal|Killpocalypse]] or [[Killionaire Medal|Killionaire]].
*If you activate the elevator and then jump over the railing you can see the drones spawn or go hide in another area of the level, then when the elevator reaches the top you will teleport into it. This can be quite useful on legendary if you have trouble fighting drones.
**If by chance the host wants to let other players take the credit, let them trigger the detonation, or alternatively, have them mount the Gauss Turret and kill as many enemies as possible before detonation.
*At one point in the level, if you shoot the NMPD officer that mickey is standing next to, mickey will shout out "I&nbsp;loved him!"
*The debris on the bridge simply fall into the water when the bridge is destroyed, instead of being propelled into the air.
*If a Marine is near the bridge when it explodes, if they don't die, they will be thrown quite far, and in rare cases will be thrown through the wall.
*At some points, the Marine who gives the commands to retreat will be invincible, capable of withstanding several blows from a gravity hammer.
*For some reason, no Marines will go inside of the ONI building, even if the player manage to kill all the enemies and keep a Marine alive. This may be a game error since the player can see NMPD Officers going inside, however the Marines may have stayed outside to hold off the approaching Covenant troops.
*Players can get outside the level in theater mode by flying to the left of the building before the game loads the second section of the level.
*The NMPD officer in charge of the group Dutch and Mickey team up with in the main hall of the ONI site has glasses which will read either "Keep it Clean" or "Please remain calm" running across them in a loop (best seen using [[Theater Mode|Theater]]).
*Inside the base is [[ONI memorial|a memorial wall]] with hundreds of names of the people who have died in the war. Dr. [[Catherine Halsey]] and [[Admiral]] [[Preston Cole]] are listed, along with some humorous names, like London Bridges.
*Inside the main building, there is an NMPD officer with the same voice as Sgt. Stacker.
*At the part where the player has to defend until the elevator comes, if the player jumps over the walls (where the elevator comes up) and fall to the bottom then go into theater and go to the bottom an unarmed [[M168 Demolition Charge]] can be seen, this is either a glitch or an Easter egg, it is still odd for it to be the only one in the shaft. It is also on the Firefight map ''Alpha Site'', (unarmed, green; red, armed). It is mostly likely an Easter egg or an item [[Bungie]] left by accident.
*During the encounter with Kamikaze Grunts in the ONI building, if the player kills one while it is near the other, (a better chance of getting this with the Mythic Skull on) sometimes the grenades will drop out of its hands and it will be unarmed.
*It is possible to kill every Covenant enemy outside, including the Wraiths, before the Marines, ODSTs, and NMPD make a defensive stand inside the building.
*The landing pad on the roof of the building has the number 43 on it, another '''7''' reference, (4 + 3 = 7).


==Gallery==
==Gallery==
===Concept art===
<gallery>
File:H3ODST Concept AlphaSiteBridge.jpg|Concept art of the bridge leading to ONI Alpha Site.
File:H3ODST AlphaSite Concept 1.png|Various concepts of the main building.
File:H3ODST AlphaSite Lobby Concept.jpg|Concept art of Alpha Site's lobby.
File:H3ODST AlphaSite Boardwalk Concept.jpg|Concept art of Alpha Site's boardwalks.
</gallery>
===Promotional images===
<gallery>
File:H3ODST PK ONIAlphaSite 1.jpg|Dutch and a berserk Jiralhanae.
File:H3ODST PK ONIAlphaSite 2.jpg|Dutch fires his Spartan Laser at a Jiralhanae.
File:ODST OniAlphaSite02.jpg|A view of the Covenant forces crossing the bridge from a sniper rifle's scope.
File:H3ODST PK ONIAlphaSite.jpg|Dutch defending the ONI building's interior from the Covenant.
</gallery>
===Screenshots===
<gallery>
<gallery>
File:H3ODST Menu 06 ONI Alpha Site.png|Preview of the level in ''Halo 3: ODST'' menu.
File:ODST Firefight AlphaSite03.jpg|The interior of [[Alpha Site (Level)|Alpha Site]] as seen in the [[Firefight]] map.
File:HTMCC-H3ODST ONIAlphaSite Mickey&Dutch.png|Mickey and Dutch watch as Wraiths approach the bridge.
File:Battle of ONI Alpha Base.jpg|[[Michael Crespo|Mickey]] and [[Taylor Miles|Dutch]] plant [[M165 Demolition Charge|demolition charges]] on the bridge leading to the ONI complex.
File:H3ODST ONI Alpha Site Mickey and Dutch.jpg|Mickey and Dutch on the bridge leading to Alpha Site.
File:Flooded_New_Mombasa_G94_Credit.jpg|View of New Mombasa out of bounds.
File:HTMCC-H3ODST BridgeAssault.jpg|A large Covenant force on the bridge.
File:Flooded New Mombasa G94 Credit.jpg|An out-of-bounds view of the level, using [[Panoramic camera mode|Pan Cam]].
HTMCC-H3ODST GoldHunters 4.png|Dutch comes across a pair of [[Mgalekgolo Flak|"flak" hunters]].
File:HTMCC-H3ODST Turret.jpg|Dutch firing a stationary turret inside the security zone.
File:ODST Firefight AlphaSite03.jpg|The interior of the ONI building.
File:H3 ODST NMPD team.jpg|NMPD officers inside ONI Alpha Site.
File:ONIsitedefend.jpg|Dutch and NMPD officers defending the interior.
File:H3ODST Alpha Site Defense.jpg|Dutch and Mickey inside the ONI building.
File:HTMCC-H3ODST DroneMinor&Pupa.jpg|Two [[Yanme'e Pupa]]e and a Yanme'e Minor inside the ONI building.
</gallery>
</gallery>


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


{{Levels|ODST}}
{{Levels}}
[[Category:Halo 3: ODST Campaign]]

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