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Mark 2551 Onager: Difference between revisions

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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 hypersonic speeds.  
The '''Mark 2551/25 cm 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.  


==Service history==
==Service history==
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 {{Class|CRS|light cruiser}}s.<ref name = "H4L4">'''[[Halo 4]]''', campaign level ''[[Infinity (level)|Infinity]]''</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 name = "H4L4">'''[[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 at least three [[Jul 'Mdama's Covenant faction|Covenant]] {{Class|CRS|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>'''[[Halo 4]]''', campaign level ''[[Composer (level)|Composer]]''</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 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>'''[[Halo 4]]''', campaign level ''[[Composer (level)|Composer]]''</ref>


==Gallery==
==Gallery==
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File:H4_Onager_Concept.jpg|Concept art of the Mark 2551 MAC.
File:H4_Onager_Concept.jpg|Concept art of the Mark 2551 MAC.
File:H4-OnagerMDC-ScanScreen.jpg|Mark 2551 MACs on the hull of UNSC ''Infinity'' and on Ivanoff Station
File:H4-OnagerMDC-ScanScreen.jpg|Mark 2551 MACs on the hull of UNSC ''Infinity'' and on Ivanoff Station
File: Mk 2551 Onager.jpg|An Onager firing at a {{Class|CRS|light cruiser}} during the [[Battle of Aktis IV]].
File: Mk 2551 Onager.jpg|An Onager firing at a {{Pattern|Zanar|light cruiser}} during the [[Battle of Aktis IV]].
</gallery>
</gallery>


Revision as of 10:09, April 15, 2022

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 2551/25 cm 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.

Service history

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.[2]

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.[3]

Gallery

  • H4 Onager Concept.jpg

    Concept art of the Mark 2551 MAC.

  • H4-OnagerMDC-ScanScreen.jpg

    Mark 2551 MACs on the hull of UNSC Infinity and on Ivanoff Station

  • 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

Sources

  1. ^ a b c d Halo 4: The Essential Visual Guide, page 75
  2. ^ Halo 4, campaign level Infinity
  3. ^ Halo 4, campaign level Composer

v • d • e
 
Heavy armaments of humanity
Artillery
Autocannons and mounted machine guns
Automated turrets
Ground installations M5 Talos base turret • Scythe (M71 • M85) • M3045 • M3063 • M8 Wolf Spider
Point-defense guns Arena (Mark 57) • Bulwark (M710) • Fortress (M965) • Goalkeeper (M606) • Helix (M810) • Rampart
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