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Navy redirects here. If you were looking for the Covenant equivalent, see Covenant Navy.
UNSC Home Fleet


Since 2163










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The UNSC Navy is the branch of the UNSCDF responsible mostly for naval operations in space, though they sometimes operate in the oceans with their terrestrial arm. Its roles include ship-to-ship combat, orbital bombardment, the deployment of atmospheric and space fighters, and the delivery of UNSC Marines, especially ODSTs, into combat.


The UNSC Navy was formed in the wake of the Interplanetary War of the 2160's during the Argyre Planitia Campaign of 2163, as a result of the UN's need to oversee and monitor Marine deployments from space. The UNSC Navy is a direct descendant of the UN Navy, and is led by the UNSC Naval Command.

Anchor 9

UNSC Anchor 9 above Reach.

The UNSC Navy is comprised of several known fleets constructed of many capital ships and single-ship craft. The UNSC Navy sustained heavy losses of materiél and personnel throughout the war against the Covenant, with many valuable assets being destroyed defending Reach, and a substantial portion of its surviving strength lost during the occupation of Earth by the Prophet of Truth.

At least some UNSC ship production was handled by the Reyes-McLees Shipyards, although this may no longer be true considering the Covenant invasion of the Sol System.

At the onset of the Human-Covenant war in early 2525, the UNSC Navy was hopelessly outclassed both technologically and numerically by the Covenant juggernaut. The Covenant Navy was fielding (among other technologies) energy shielding and plasma weaponry that allowed them to deliver and receive more punishment than their human counterparts. Superior slipspace navigation also allowed the Covenant to travel more than four hundred times faster than human vessels, with incomparable accuracy. This discrepancy was still very evident towards the climax of the war some 27 years later, in 2552 and 53, despite humanity's strong efforts to both innovate and emulate Covenant, and to a lesser extent Forerunner, technology.

By 2558 however, the balance of power had shifted, and the UNSC Navy was outmatching the Covenant Remnant's technology, as demonstrated at Requiem. This has been paraded with the launch of the UNSC Infinity the largest, and most sophisticated ship in the Navy arsenal, which exceeds the CAS-class Assault Carrier in size, and rivalled its shielding and weaponry. The UNSC has further refitted its current fleets with reverse-engineered Covenant and Forerunner technology gathered during the war, allowing them to not only hold their own against, but to surpass the previously superior Covenant ships.

UNSC Navy personnel are given training in self-defense. All crewmen are trained to use the M6 Series of handguns.[2]



The UNSC frigate, the most common of the UNSC Navy ships.

The primary offensive armament of all UNSC capital ships is the Magnetic Accelerator Cannon (MAC). These weapons are massive coil guns that are used to accelerate projectiles ranging in mass from 600 tons in the case of smaller warships, and 3,000 tons in the case of Super MAC platforms, to extremely high velocities. These projectiles are composed of Titanium-A, depleted Uranium, and/or Tungsten with a ferrous (iron) core. Super MAC platforms accelerate MAC rounds to over point four-tenths of the speed of light [3] or about 120,000 kilometers per second with twenty-three linear accelerator coils, while ship-based MACs have a lower velocity. Super MAC platforms can also reload a round in 5 seconds, where as the smaller capital ships will need several minutes.

The UNSC frigate Gettysburg is quoted as firing a 600-ton shell at 30 kilometers per second. Before Reach fell, UNSC Pillar of Autumn was equipped with a modified MAC that could quickly fire three lighter projectiles in succession instead of just one heavier projectile. It was originally intended to allow Pillar of Autumn a better chance of disabling a Covenant ship, which was a feature required for a mission that was later scrubbed following the Fall of Reach.

Almost all UNSC warships are equipped with Archer Missile pods for ship-to-ship engagements, which prove mostly effective against unshielded targets. A common tactic among UNSC ships is to disable the target's shields with MAC rounds and then pummel it with Archer missiles. UNSC ships in 2525 carried Fusion rockets as an offensive weapon. They seem to have been removed or replaced in later years. UNSC ships may also carry Shiva-class Nuclear Missiles. In addition, the UNSC mounts 50mm auto-cannons on its ships for defense against enemy fighters and boarding craft, controlled by shipboard AIs. However, these auto cannons can be used against Covenant capital ships if the two ships are close enough, as displayed by UNSC Savannah during Operation: UPPER CUT.

UNSC warships also carry significant Marine detachments for internal security, boarding actions, and planetary assault, and carry all the equipment and materiel needed by Marine forces. It is implied that a significant portion of the interior of UNSC warships are devoted to this purpose, as there are armories and barracks that hold these supplies.

Ships of the UNSC navy also carry a number of GA-TL1 Longsword-class Interceptor. These are armed with 110mm Rotary cannons and ASGM-10 Missiles, and sometimes a Moray space mine system or even a single Shiva-class Nuclear Missile. They can also be remotely-operated and used to carry a remotely-detonated Shiva missile, which, when detonated, effectively destroys both the Longsword and its selected target.

Despite all of this firepower, however, UNSC warships have great difficulty defeating Covenant ships even with a numerical advantage. It typically takes multiple hits from a ship-based MAC weapon to disable a Covenant ship's shields, although larger, ODP-based Super MACs can fire a round that can literally shatter Covenant capital ships.[4] Archer missiles must be used in tremendous amounts to breach Covenant shield systems. Even with their shields down, Covenant ships have been noted to remain operational after multiple direct hits from normal MAC rounds. This advantage in firepower and shielding gives the Covenant an effective 3:1 ratio and better against UNSC ships in combat.

"Wet Navy"Edit


An Aircraft Carrier near the Mombasa Quays.

Far into the 26th Century, the UNSC Navy continued to use terrestrial ships to patrol the seas of its worlds. Little is known about this Naval arm, only that bases existed on Earth's Mombasa Quays and the fortress world of Reach. Other than that, it is known that the Navy possessed numerous UNSC Aircraft carriers with a full complement of F-99 Unmanned Combat Aerial Vehicles, suggesting that they were always kept on a high-level of alert.

Aside from participating in the Battle of Mombasa to some extent, the wet Navy may have also been involved with an operation in the Yucatán peninsula where the SPARTAN-II Blue Team attacked a Covenant excavation force under the Gulf of Mexico.

Navy RanksEdit

Main article: UNSC Navy uniforms
UNSC Navy Officer Ranks
Ensign Lieutenant, Junior Grade Lieutenant Lieutenant Commander Commander Captain Rear Admiral (Lower Half) Rear Admiral (Upper Half) Vice Admiral Admiral Fleet Admiral
For the UNSC Navy Enlisted rank structure click here

UNSC Navy Enlisted Ranks
Crewman Recruit Crewman Apprentice Crewman Petty Officer Third Class Petty Officer Second Class Petty Officer First Class Chief Petty Officer Senior Chief Petty Officer Master Chief Petty Officer/Command Master Chief Petty Officer Master Chief Petty Officer of the Navy
For the UNSC Navy Officer rank structure click here

Identified Naval Vessels and StationsEdit



Ship Name Class Status
UNSC All Under Heaven Unknown Unknown
UNSC Atlas Unknown Unknown
UNSC Epoch Epoch-class heavy carrier Unknown
UNSC Magellan Unknown Unknown
UNSC Musashi Unknown Destroyed
UNSC Orion Orion-class carrier Unknown
UNSC Poseidon Poseidon-class light carrier Unknown
UNSC Stalingrad Unknown Destroyed
UNSC Trafalgar Supercarrier Destroyed


Ship Name Class Status
UNSC Agincourt Unknown Destroyed
UNSC Armageddon's Edge Unknown Unknown
UNSC Brasidas Unknown Destroyed
UNSC Calcutta Unknown Unknown
UNSC Clearidas Unknown Unknown, presumed active
UNSC Diligence Diligence-class destroyer Unknown
UNSC Do You Feel Lucky? Unknown Destroyed
UNSC Iroquois Halberd-class destroyer Unknown, presumed destroyed
UNSC Glasgow Kiss Unknown Destroyed
UNSC Gorgon Gorgon-class heavy destroyer Unknown
UNSC Halberd Halberd-class destroyer Unknown
UNSC The Heart of Midlothian Halberd-class destroyer Destroyed
CMA Heracles Hillsborough-class destroyer Unknown
UNSC Hillsborough Hillsborough-class destroyer Unknown
UNSC Herodotus Unknown Heavily damaged
UNSC Iwo Jima Unknown Destroyed
UNSC Jericho Unknown Heavily damaged
UNSC Kronstadt Diligence-class destroyer Unknown, presumed active
UNSC Lancelot Unknown Unknown, presumed destroyed
UNSC Las Vegas Unknown Unknown
UNSC Minotaur Unknown Destroyed
UNSC Persephone Unknown Unknown, presumed destroyed
UNSC Pioneer Halberd-class destroyer Unknown
UNSC Resolute Unknown Unknown
UNSC Seattle Unknown Moderately damaged
UNSC Tharsis Unknown Destroyed
UNSC Thermopylae Unknown Moderately damaged


Ship Name Class Status
UNSC Aegis Fate Charon-class light frigate Active
UNSC Alliance Unknown Destroyed
UNSC Andraste Unknown Active
CMA Arabia Charon-class light frigate Destroyed
UNSC Bellerophon Unknown Captured by Insurrectionists
UNSC Buenos Aires Unknown Destroyed
UNSC Charon Charon-class light frigate Unknown
UNSC Chioglossa Charon-class light frigate Destroyed
UNSC Commonwealth Paris-class heavy frigate Decommissioned, in the process of being scrapped during the Fall of Reach
UNSC Eminent Domain Strident-class heavy frigate Destroyed
UNSC Euphrates Unknown Presumed destroyed
UNSC Fair Weather Unknown Destroyed
UNSC Forward Unto Dawn Charon-class light frigate Destroyed
UNSC Gettysburg Unknown Presumed Undergoing Repairs
UNSC Grafton Paris-class heavy frigate Destroyed
UNSC In Amber Clad Stalwart-class light frigate Destroyed
UNSC Meriwether Lewis Unknown Probably Destroyed
UNSC Midsummer Night Unknown Heavily Damaged
UNSC Providence Unknown Destroyed
UNSC Paris Paris-class heavy frigate Unknown
UNSC Purpose Unknown Destroyed
UNSC Ready or Not Unknown Presumed Active
UNSC Redoubtable Unknown Presumed Destroyed
UNSC Saratoga Paris-class heavy frigate Unknown
UNSC Savannah Paris-class heavy frigate Destroyed
UNSC Stalwart Dawn Stalwart-class light frigate Unknown
UNSC Strident Strident-class heavy frigate Unknown
UNSC Tannenberg Unknown presumed Destroyed
UNSC Virginia Capes Paris-class heavy frigate Destroyed
CMA Vostok Charon-class light frigate Destroyed
Unnamed frigate Charon-class light frigate Unknown


Ship Name Class Status
UNSC Aladdin Sahara-class heavy prowler Active
UNSC Apocalypso Unknown Destroyed
UNSC Applebee Unknown Unknown, presumed Active
UNSC Athens Unknown Unknown, presumed Active
UNSC Circumference Unknown Destroyed
UNSC Dusk Unknown Unknown, presumed Active
UNSC Eclipse Eclipse-class light prowler Unknown
UNSC Edge of Umbra Unknown Unknown, presumed Active
UNSC Lark Unknown Unknown, presumed Active
UNSC Last Gleaming Unknown Unknown, presumed Active
UNSC Port Stanley Stealth Corvette Active
UNSC Razor's Edge Unknown Unknown, presumed Active
UNSC Red Horse Unknown Unknown, presumed Active
UNSC Rubicon Unknown Missing
UNSC Sahara Sahara-class heavy prowler Unknown
UNSC Tokyo Rules Unknown Unknown, presumed Active
UNSC Wink of an Eye Unknown Unknown, presumed Active
UNSC Winter Winter-class light prowler Unknown


Ship Name Class Status
UNSC Callisto Unknown Unknown, presumed Scrapped
UNSC Chalons Unknown Unknown, presumed Active
UNSC Coral Sea Unknown Unknown, presumed Active
UNSC Pony Express Unknown Unknown, presumed Active
UNSC Glamorgan Unknown Active
UNSC Two for Flinching Fast-attack Corvette Unknown, presumed Active
UNSC Bum Rush Unknown Unknown, presumed Active

Colony ShipsEdit

Ship Name Class Status
CMA Season of Plenty Unknown Unknown
UNSC Spirit of Fire Modified Phoenix-class colony ship Left to Drift
UNSC Skidbladnir Phoenix-class colony ship Scrapped
Odyssey Unknown Unknown

Other ShipsEdit


Orbital Defense PlatformsEdit

Station Name Status
Cairo Station Heavily damaged
Athens Station Destroyed
Malta Station Destroyed
Nassau Station Active
Oaxaca Station Active

Other orbital facilitiesEdit

Station Name Purpose Status
Reach Station Gamma Orbital Drydock Destroyed

Mobile StationsEdit

Station Name Purpose Status
UNSC Cradle Refit/Repair Facility Destroyed
Station Delphi Shipyard Decommissioned
UNSC Hopeful Hospital Ship Unknown, probably active
Anchor 9 Unknown Destroyed

Remote Scanning OutpostsEdit

Station Name Status
Fermion Destroyed
Democritus Unknown
Archimedes Active
Tripoli Unknown

Medical StationsEdit

Station Name Status
ONI Medical Facility Unknown, presumed destroyed
M25L Recovery Station Unknown

UNSC Navy personnelEdit

See UNSC Naval personnel for a list of UNSC naval personnel.


  • Many UNSC Navy traditions currently in use were also UN Navy traditions. Preceding the UN Navy, they were various United States Naval traditions.
  • Naval personnel are sometimes referred to as "swabbies". The term "swabbie" can be a joke or a sign of disrespect.
  • The UNSC Navy provides the rank structure for the SPARTANs.[1][5]
  • Respirator packs are worn by UNSC personnel when an atmosphere is not present, and provides an auxiliary supply of oxygen for the wearer.




Start a Discussion Discussions about UNSC Navy

  • Attack on Deston (A Roleplaying Thread)

    60 messages
    • Year: 2542 ado domini, December 12-26. Reason for revive, to find out if it was worth trying. Name: Janus Gender: male ra...
    • (Mother of god... If this RP will live on, it will be the most glorious thing in the world.)
  • Hull classification symbol

    17 messages
    • But earlier he said..... and now you said..... oh never mind i'll wait until a more strategic time.
    • Forerunner wrote:In the UNSC: *C=Cruiser *DD=Destroyer *FFG=Frigate *K=Corvette Why they abandoned the other HCSs, I don't know. Perhaps ...

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