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Mark 2551 Onager: Difference between revisions

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{{Era|Post}}
{{Status|Canon}}
{{Weapon Infobox
{{Weapon infobox
|image=[[File:H4-OnagerMDC-ScanRender.png|300px]]
|image=[[File:H4-OnagerMDC-ScanRender.png|300px]]
|name=Mark 2551 Magnetic Accelerator Cannon
|name=Mark 2551 Magnetic Accelerator Cannon
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|type=Magnetic Accelerator Cannon (Onager)  
|type=Magnetic Accelerator Cannon (Onager)  
|cost=
|cost=
|length={{Convert|32.6|m|ft}}<ref name="VIS"/>
|length={{Convert|32.6|m|ft}}{{Ref/Reuse|VIS}}
|width={{Convert|12|m|ft}}<ref name="VIS"/>
|width={{Convert|12|m|ft}}{{Ref/Reuse|VIS}}
|height={{Convert|10.4|m|ft}}<ref name="VIS"/>
|height={{Convert|10.4|m|ft}}{{Ref/Reuse|VIS}}
|maxammo=
|maxammo=
|ammotype=25cm M6792 HV/FTHPP-AS<ref name="VIS">'''[[Halo 4: The Essential Visual Guide]]''', ''page 75''</ref>
|ammotype=25cm M6792 HV/FTHPP-AS{{Ref/Book|Id=VIS|H4EVG|Page=75}}
|operation=[[Wikipedia:Coilgun|Electromagnetic linear motor]]
|operation=[[Wikipedia:Coilgun|Electromagnetic linear motor]]
|rate=Single shot
|rate=Single shot
|velocity=High
|velocity=High
|optics=
|range=Long
|range=Long
|service=[[Post-Covenant War conflicts]]
|service=[[Post-Covenant War conflicts]]
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}}
}}


The '''Mark 2551/25cm Portable Magnetic Accelerator Cannon''', also known as the '''Onager''', is an upgraded variant of the [[Mark 2488 Magnetic Accelerator Cannon]] developed by [[Misriah Armory]]. It uses a 25cm ferric-tungsten depleted uranium round that is fired at supersonic speeds.  
The '''Mark 2551/25cm Portable Magnetic Accelerator Cannon''', also known as the '''Onager''', is an upgraded variant of the [[Mark 2488 Magnetic Accelerator Cannon]] developed by [[Misriah Armory]]. It uses a 25&nbsp;cm ferric-tungsten depleted uranium round that is fired at hypersonic speeds.{{Ref/Reuse|VIS}}
 
==Usage==
The Mark 2551 is one of over a dozen Onager variants in production, which can be mounted on various [[Human starship|starships]] and [[space station]]s.{{Ref/Book|Enc22|Page=182}} These include:
*{{Class|Infinity|supercarrier}} - 10x Mark 2551 Onagers{{Ref/Book|HWF|Page=42-43}}
*{{Class|Poseidon|light carrier}} - 2x Mark 2551 Onagers{{Ref/Book|Enc22|Page=127}}
*[[Ivanoff Station]] - 16x Mark 2551 Onagers{{Ref/Book|HWF|Page=34-35}}


==Service history==
==Service history==
The UNSC's postwar prototype flagship, {{UNSCShip|Infinity}}, is equipped with a number of Mark 2551 MAC dorsal turrets. During the initial skirmishes on the [[Forerunner]] [[shield world]] [[Requiem]] in [[2557]], these turrets were used to fend off the [[Ur-Didact|Didact]]'s [[Cryptum]], forcing the Didact to retreat.<ref>'''Halo 4''', campaign level ''[[Infinity (level)|Infinity]]''</ref> [[Office of Naval Intelligence|ONI]]'s [[Ivanoff Station]] near [[Installation 03]] made use of several automated Mk. 2551 Onagers for defense against space debris and later against several [[Jul 'Mdama's Covenant faction|Covenant]] [[CRS-class light cruiser]]s when the station was [[Raid on Ivanoff Station|attacked]] by Covenant forces under the command of the Didact himself.<ref>'''Halo 4''', campaign level ''[[Composer (level)|Composer]]''</ref>
The UNSC's postwar prototype flagship, {{UNSCShip|Infinity}}, is equipped with a number of Mark 2551 MAC dorsal turrets. During [[Battle of Requiem|the initial battle]] on the [[Forerunner]] [[shield world]] [[Requiem]] in [[2557]], the "MAC network" controlling these turrets was disabled by troops of [[Jul 'Mdama's Covenant]] fighting for the [[Ur-Didact|Didact]], through the use of three jamming devices placed on the ''Infinity''{{'}}s hull. Once these jammers were destroyed by [[John-117]], [[Cortana]] successfully brought the network back online in a few minutes, though a link relating to "EM relays" needed to be manually initiated before they could fire. When they did, they successfuly forced the Didact in his [[Cryptum]] and his allies to retreat. Along with ''Infinity's'' anti-aircraft batteries, the turrets shot down at least two {{Pattern|Zanar|light cruiser}}s.{{Ref/Level|Id=H4L4|H4|Infinity (level)|Infinity}}


==Trivia==
[[Office of Naval Intelligence|ONI]]'s [[Ivanoff Station]] near [[Installation 03]] made use of several automated Mk. 2551 Onagers for defense against space debris and later against at least three [[Jul 'Mdama's Covenant faction|Covenant]] {{Pattern|Zanar|light cruiser}}s when the station was [[Raid on Ivanoff Station|attacked]] by Covenant forces under the command of the Didact himself. The station's defenses were reprogramed by [[Cortana]] to give the evacuating personnel covering fire against the attacking Covenant forces. The Onagers shot down multiple approaching Phantoms, though some managed to slip through their defensive fire to land troops on the station.{{Ref/Level|H4|Composer (level)|Composer}}
*Unlike Mark 2488 Onager, Mark 2551 Onager are seen operated automatically without operating in manual.
*Lasky mention that it takes time to make the defense network around UNSC ''Infinity'' goes online, indicating that when the defense network is offling, the MAC was rendered inoperable.


==Gallery==
==Gallery==
{{Linkbox|gallery=yes}}
<gallery>
<gallery>
File:Halo4 Unknown-map-concept art-2.jpg|Concept art of the Mark 2551 MAC.
File:HTMCC H4 Onager Screenshot 1.png|An Onager on the hull of UNSC ''Infinity''.
File:H4-OnagerMDC-ScanScreen.jpg|Mark 2551 MACs on the hull of UNSC ''Infinity'' and on Ivanoff Station
File:HTMCC H4 Onager Screenshot 2.png|An Onager on the hull of UNSC ''Infinity''.
File: Mk 2551 Onager.jpg|An Onager firing at a {{Class|CRS|light cruiser}} during the [[Battle of Aktis IV]].
File:HTMCC H4 Onager Screenshot 3.png|An Onager on the hull of UNSC ''Infinity''.
File:HTMCC H4 Onager Screenshot 4.png|An Onager on the hull of UNSC ''Infinity''.
File:HTMCC H4 Onager Screenshot 5.png|An Onager on the hull of UNSC ''Infinity''.
File:HTMCC H4 Onager Screenshot 6.png|An Onager on the hull of UNSC ''Infinity'' firing at a Cryptum.
File: Mk 2551 Onager.jpg|An Onager firing at a {{Pattern|Zanar|light cruiser}} during the [[Battle of Aktis IV]].
</gallery>
</gallery>


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


{{UNSC heavy weapons}}
{{UNSC heavy weapons}}

Latest revision as of 16:37, November 18, 2024

Mark 2551 Magnetic Accelerator Cannon
H4-OnagerMDC-ScanRender.png
Production overview

Manufacturer:

Misriah Armory

Type:

Magnetic Accelerator Cannon (Onager)

Specifications

Length:

32.6 metres (107 ft)[1]

Width:

12 metres (39 ft)[1]

Height:

10.4 metres (34 ft)[1]

Ammunition type:

25cm M6792 HV/FTHPP-AS[1]

Operation:

Electromagnetic linear motor

Rate of fire:

Single shot

Muzzle velocity:

High

Effective range:

Long

Service history

In service:

Post-Covenant War conflicts

 

The Mark 2551/25cm Portable Magnetic Accelerator Cannon, also known as the Onager, is an upgraded variant of the Mark 2488 Magnetic Accelerator Cannon developed by Misriah Armory. It uses a 25 cm ferric-tungsten depleted uranium round that is fired at hypersonic speeds.[1]

Usage[edit]

The Mark 2551 is one of over a dozen Onager variants in production, which can be mounted on various starships and space stations.[2] These include:

Service history[edit]

The UNSC's postwar prototype flagship, UNSC Infinity, is equipped with a number of Mark 2551 MAC dorsal turrets. During the initial battle on the Forerunner shield world Requiem in 2557, the "MAC network" controlling these turrets was disabled by troops of Jul 'Mdama's Covenant fighting for the Didact, through the use of three jamming devices placed on the Infinity's hull. Once these jammers were destroyed by John-117, Cortana successfully brought the network back online in a few minutes, though a link relating to "EM relays" needed to be manually initiated before they could fire. When they did, they successfuly forced the Didact in his Cryptum and his allies to retreat. Along with Infinity's anti-aircraft batteries, the turrets shot down at least two Zanar-pattern light cruisers.[6]

ONI's Ivanoff Station near Installation 03 made use of several automated Mk. 2551 Onagers for defense against space debris and later against at least three Covenant Zanar-pattern light cruisers when the station was attacked by Covenant forces under the command of the Didact himself. The station's defenses were reprogramed by Cortana to give the evacuating personnel covering fire against the attacking Covenant forces. The Onagers shot down multiple approaching Phantoms, though some managed to slip through their defensive fire to land troops on the station.[7]

Gallery[edit]

Main-Superintendent.png Browse more images in this article's gallery page.
  • An Onager on the hull of UNSC Infinity.

    An Onager on the hull of UNSC Infinity.

  • An Onager on the hull of UNSC Infinity.

    An Onager on the hull of UNSC Infinity.

  • An Onager on the hull of UNSC Infinity.

    An Onager on the hull of UNSC Infinity.

  • An Onager on the hull of UNSC Infinity.

    An Onager on the hull of UNSC Infinity.

  • An Onager on the hull of UNSC Infinity.

    An Onager on the hull of UNSC Infinity.

  • An Onager on the hull of UNSC Infinity firing at a Cryptum.

    An Onager on the hull of UNSC Infinity firing at a Cryptum.

  • An Onager firing at a Zanar-pattern light cruiser during the Battle of Aktis IV.

    An Onager firing at a Zanar-pattern light cruiser during the Battle of Aktis IV.

List of appearances[edit]

Sources[edit]

  1. ^ a b c d e Halo 4: The Essential Visual Guide, page 75
  2. ^ Halo Encyclopedia (2022 edition), page 182
  3. ^ Halo: Warfleet, page 42-43
  4. ^ Halo Encyclopedia (2022 edition), page 127
  5. ^ Halo: Warfleet, page 34-35
  6. ^ Halo 4, campaign level Infinity
  7. ^ Halo 4, campaign level Composer

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