Moncton-class orbital weapon platform

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"That MAC gun could put a hole clean through a Covenant capital ship. Coordinated fire from the Athens and the Malta, nothing's getting through this battle cluster in one piece."
— Avery J. Johnson
Moncton-class orbital weapon platform
H2A - ODP.jpg
Production information

Manufacturer:

Vosper Engineering

Class:

Orbital defense platform

Role:

Planetary defense

Technical specifications

Length:

536 metres (1,760 ft)[1]

Height:

1,336 metres (4,380 ft)[1]

Mass:

2.9 million metric tons[1]

Engine(s):

Station-keeping thrusters[1]

Hull:

Durasteel armor[1]

Armament:

Complement:

Crew:

152 Air Force and Navy personnel.[2]

Chronological and affiliation

Era:

Introduced:

2550

Affiliation:

UNSC

 

The Moncton-class orbital weapon platform (hull classification symbol: OWP) is a line of orbital defense platforms utilised by the UNSC towards the end of the Human-Covenant War and in the years beyond.

Specifications[edit]

Armament[edit]

Moncton platforms are equipped with a 14D4A1 Magnetic Accelerator Cannon, an 802.2 metre (2,632 ft) long coilgun that fires a 3000 tonne ferric-tungsten round at 0.04c, or 0.4% of the speed of light, hitting a target with a force equivalent to 51.6 gigatons of TNT. Unlike the platforms that defended Reach, Moncton-class platforms had their own onboard power supply for the MAC, and if this was disabled were able to power it by redirecting power from a docked starship. They were also equipped with seven M606 Goalkeeper point defence guns to protect them from enemy fighters, bombers and boarding craft.

History[edit]

Constructed in 2550, the Moncton-class orbital weapon platform formed part of Earth's orbital defence grid under the authority of Unified Ground Command by the UNSC Air Force. When the Prophet of Regret's forces stumbled into Earth's defences, Moncton-class platforms engaged the Covenant fleet at range, with Cairo serving as Lord Hood's command centre to coordinate the defense of Earth, devastating the unusually small force despite the Covenant being able to board and destroy the Athens and Malta stations and slipping a single CAS-class assault carrier through the defence grid to deploy forces throughout Mombasa. The Moncton platforms would continue to defend Earth even as the Prophet of Truth's own fleet began arriving,[3] with Nassau Station tracking the Tykos 30 in Ruwan Ackerson's bloodstream to identify Harbinger of Piety as a priority target and destroy it, killing the Minister of Inquisition.[4] An unknown number of platforms survived the end of the war, and continued to serve in Earth's defence grid as late as March 22nd, 2558.[5]

Known stations[edit]

List of appearances[edit]

Sources[edit]