An Aircraft Carrier Is A Warship With A Full-length Flight Deck And Facilities For Carrying, Arming, Deploying, And Recovering Aircraft, That Serves As A Seagoing Airbase. 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. It Is Extremely Expensive To Build And Important To Protect. Aircraft Carriers Have Evolved From Converted Cruisers To Nuclear-powered Warships That Carry Numerous Fighter Planes, Strike Aircraft, Helicopters, And Other Types Of Aircraft. Photo