Aircraft carrier
   Warship that serves as a seagoing airbase      Four modern aircraft carriers of various types—USS  John C. Stennis , Charles de Gaulle  (French Navy), USS  John F. Kennedy , helicopter carrier HMS  Ocean —and escort vessels, 2002      From bottom to top:  Spanish light V/STOL carrier Príncipe de Asturias , amphibious assault ship USS  Wasp , fleet carrier USS  Forrestal , and light V/STOL carrier HMS  Invincible , showing size differences of late 20th century carriers, 1991   An aircraft carrier  is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. [1]  Typically, it is the capital ship of a fleet, as it allows a naval force to project air power worldwide without depending on local bases for staging aircraft operations. Carriers have evolved since their inception in the early twentieth century from wooden vessels used to deploy balloons to nuclear-powered warships that carry n...