All ships designed primarily for the purpose of conducting combat operations by aircraft that engage in attacks against airborne, surface, sub-surface and shore targets.
Surface Combatant Type
Large, heavily armed, surface ships that are designed primarily to engage enemy forces on the high seas.
All self-propelled submersible types regardless of whether employed as combatant, auxiliary, or research and development vehicles that have at least a residual combat capability.
Patrol Combatant Type
Combatants whose mission may extend beyond coastal duties and whose characteristics include adequate endurance and sea keeping, providing a capability for operations exceeding 48 hours on the high seas without support.
Amphibious Warfare Type Ships
All ships having organic capability for amphibious assault and characteristics enabling long duration operations on the high seas.
Combat Logistics Type Ships
Ships that have the capability to provide underway replenishment to fleet units.
Mine Warfare Type Ships
All ships whose primary function is mine warfare on the high seas.
Support Type Ships
A grouping of ships designed to operate in the open ocean in a variety of sea states to provide general support to either combatant forces or shore based establishments. (Includes smaller auxiliaries which by the nature of their duties, leave inshore waters).
Mobile Logistics Type Ships
Ships that have the capability to provide direct material support to other deployed units operating far from home base.