Capital ship

Capital ships are a classification of spacecraft, generally encompassing the most important and largest warships with the heaviest firepower and armor. There are usually no formal criteria for the classification, other than the fact that these ships tend to be heavily armed and armored. A capital ship is generally a leading or primary ship in a fleet, battle group, or strike force.

Forerunner

 * Cruiser
 * Dreadnought
 * Fortress-class vessel
 * Keyship
 * Planet-breaker

Covenant
These are the classifications of Covenant warships known to fall under the Capital Ship category:
 * CAS-class assault carrier
 * CCS-class battlecruiser
 * CSO-class supercarrier
 * ORS-class heavy cruiser
 * RCS-class armored cruiser
 * Covenant battleship
 * Covenant supercruiser
 * Covenant super-destroyer
 * Reverence-class cruiser

UNSC
These are the classifications of UNSC warships known to fall under the Capital Ship category:


 * Infinity-class command ship
 * Halcyon-class cruiser
 * Marathon-class cruiser
 * UNSC carrier
 * UNSC supercarrier