Capital ship

There is more information available on this subject at Capital ship on the English Wikipedia.

Capital ships are the most important and largest warships. There is usually no formal criterion for the classification other than that these ships tend to be heavily armed and armored. A capital ship is generally a leading or primary ship in a fleet, battlegroup, or strike force.

Forerunner

Main article: Forerunner Navy

These are all of the currently known Forerunner ships that fall into the Capital Ship category. They are as well listed with the era they are known to be used as Capital Ships:

Keyships

Main article: Keyship

Image	Name	Era(s)
	Dreadnought-class Keyship	Forerunner-Flood war Sangheili-San'Shyuum war Human-Covenant war

Warships

Image	Name	Era(s)
N/A	Fortress-class warship	Forerunner-Flood war
	Dreadnought-class warship	Forerunner-Flood war Human-Covenant war

Siege Ships

Image	Name	Era(s)
N/A	Planet-breaker-class siege ships	Forerunner-Flood war

Covenant/Separatists

Main article: Covenant Navy

These are the classifications of Covenant warships known to fall under the Capital Ship category. They are as well listed with the era they are known to be used as Capital Ships:

Cruisers

Main article: Cruisers

Image	Name	Era(s)
	CCS-class battlecruiser	Human-Covenant war Great Schism
N/A	Reverence-class cruiser	Human-Covenant war Great Schism
	Covenant supercruiser	Human-Covenant war
	RCS-class armored cruiser	Human-Covenant war Post-War Era
	ORS-class heavy cruiser	Human-Covenant war
	CRS-class light cruiser	Human-Covenant war Post-War Era

Carriers

Main article: Covenant Carrier

Image	Name	Era(s)
	CSO-class supercarrier	Human-Covenant war
	CAS-class assault carrier	Human-Covenant war Post-War Era
N/A	DDS-class carrier	Human-Covenant war Great Schism

Battleships

Image	Name	Era(s)
	Covenant battleship	Human-Covenant war

UNSC

Main article: UNSC Navy

These are the classifications of UNSC warships known to fall under the Capital Ship category. They are as well listed with the era they are known to be used as Capital Ships:

Cruisers

Main article: UNSC Cruiser

Image	Name	Era(s)
	Halcyon-class light cruiser	The Insurrection Human-Covenant war
	Marathon-class cruiser	Human-Covenant war
N/A	Valiant-class supercruiser	Human-Covenant war
	Autumn-class heavy cruiser	Post-War Era

Carriers

Main article: UNSC Carrier

Image	Name	Era(s)
N/A	Punic-class supercarrier	Human-Covenant war
	Epoch-class heavy carrier	Human-Covenant war
	Poseidon-class light carrier	Post-War Era

Multi-Role

Image	Name	Era(s)
	Phoenix-class colony ship	The Insurrection Human-Covenant war
	Infinity-class supercarrier	Post-War Era

Battleship

Image	Name	Era(s)
	Vindication-class light battleship	Post-War Era