Capital ship

The Capital Ships of a navy are its most "Important" warships. These ships are the ones with the heaviest firepower and thickest armor.

Covenant
These are the classifications of Covenant warships known to fall under the Capital Ship category:
 * Covenant Assault Carrier
 * CCS-class Battlecruiser
 * Covenant Supercruiser

Although not mentioned, these ships are possible Capital Ships:
 * Covenant Frigate
 * Covenant Destroyer
 * Covenant Battleship

UNSC
These are the classifications of UNSC Warships known to fall under the Capital Ship category:
 * Marathon-class Cruiser
 * UNSC Frigate

Although not mentioned, these ships are possible Capital Ships:
 * UNSC Destroyer
 * UNSC Carrier