#warship__war_vessel__warvessel__combat_ship  a government ship that is available for waging war
  supertype:  #ship  a vessel that carries passengers or freight
  part:  #conning_tower.pilothouse  #naval_gun
  member of:  #fleet
  subtype:  #attack_aircraft_carrier__aircraft_carrier__carrier  a large warship that carries planes and has a long flat deck for take-offs and landings
  subtype:  #battleship__battlewagon  large and heavily armoured warship
     subtype:  #dreadnought__dreadnaught  battleship that has big guns all of the same caliber
     subtype:  #pocket_battleship  a small battleship built to conform with treaty limitations on tonnage and armament (from 1925 to 1930)
  subtype:  #capital_ship__capitalship  a warship of the first rank in size and armament
  subtype:  #corvette  a highly maneuverable escort warship; smaller than a destroyer
  subtype:  #cruiser  a large fast warship; smaller than a battleship and larger than a destroyer
     subtype:  #battle_cruiser  a cruiser of maximum speed and firepower
     subtype:  #guided_missile_cruiser  a cruiser that carries guided missiles
  subtype:  #guided_missile_destroyer__destroyer  a small fast lightly armored but heavily armed warship
     subtype:  #tin_can__tincan  informal term for a destroyer
     subtype:  #torpedo-boat_destroyer  small destroyer that was the forerunner of modern destroyers; designed to destroy torpedo boats
  subtype:  #destroyer_escort__destroyerescort  warship smaller than a destroyer; designed to escort fleets or convoys
  subtype:  #frigate  a United States warship larger than a destroyer and smaller than a cruiser
     subtype:  #guided_missile_frigate  a frigate that carries guided missiles
  subtype:  #frigate.warship  a medium size square-rigged warship of the 18th and 19th centuries
     subtype:  #Constitution__Old_Ironsides  United States 44-gun frigate that was one of the first three naval ships built by the United States; it won brilliant victories over British frigates during the War of 1812 and is without doubt the most famous ship in the history of the United States Navy; it has been rebuilt and is anchored in the Charlestown Navy Yard in Boston
  subtype:  #guard_ship__guardship  a warship (at anchor or under way) required to maintain a higher degree of readiness than others in its squadron
  subtype:  #man-of-war__ship_of_the_line  a warship intended for combat
  subtype:  #privateer  a privately owned warship commissioned to prey on the commercial shipping or warships of an enemy nation
  subtype:  #sloop_of_war  a sailing or steam warship having cannons on only one deck
  subtype:  #submersible_warship__submersiblewarship__submersible  a warship designed to operate under water
     subtype:  #pigboat__submarine__sub__uboat  a submersible warship usually armed with torpedoes
        subtype:  #attack_submarine  a military submarine designed and armed to attack enemy shipping
        subtype:  #auxiliary_research_submarine  a submarine for research purposes
        subtype:  #fleet_ballistic_missile_submarine__fleetballisticmissilesubmarine  a submarine carrying ballistic missiles
        subtype:  #nautilus__nuclear_submarine__nuclearsubmarine__nuclear-powered_submarine__nuclearpoweredsubmarine  a submarine that is propelled by nuclear power
  subtype:  #surface_ship__surfaceship  a warship that operates on the surface of the water
  subtype:  #three-decker__threedecker  a warship carrying guns on three decks
  subtype:  #torpedo_boat__torpedoboat  small high-speed warship designed for torpedo attacks in coastal waters
     subtype:  #PT_boat__mosquito_boat__mosquito_craft__motor_torpedo_boat__motortorpedoboat  a small fast unarmored and lightly armed torpedo boat; P(ropeller) T(orpedo) boat

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