Support ship

A support ship is a ship classification whose primary purposes are not to stay in combat, but to play more specialized roles - covert infiltration and exfiltration, intelligence gathering, electronic warfare, supply of fleets, etc.

UNSC support ships

 * Calypso-class exfiltration craft - A small ship designed for covert extraction.
 * Black Cat-class subprowler - A small craft with limited stealth systems designed as a replacement for the Calypso-class.
 * Chiroptera-class stealth vessel - An older class of UNSC stealth ship.
 * UNSC prowler - The UNSC's primary stealth ship used for reconnaissance and electronic warfare.
 * Refit station - A mobile repair and refit platform.

Covenant support ships

 * Covenant agricultural support ship - A ship designed to provide fresh foodstuffs for a fleet.
 * Covenant stealth ship - The Covenant counterpart to the UNSC prowler.

Forerunner support ships

 * Gargantua-class transport