▁and ▁facilities ▁for ▁carrying , ▁ar ming , ▁deploy ing , ▁and ▁recover ing ▁aircraft , ▁that ▁serves ▁as ▁a ▁se ago ing ▁air base . ▁ ▁In cluded ▁in ▁this ▁list ▁are ▁ships ▁which ▁meet ▁the ▁above ▁definition ▁and ▁had ▁an ▁official ▁name ▁( ital ic ized ) ▁or ▁design ation ▁( non - ital ic ized ), ▁regardless ▁of ▁whether ▁they ▁were ▁or ▁were ▁not ▁ordered , ▁laid ▁down , ▁completed , ▁or ▁commission ed . ▁ ▁Not ▁included ▁in ▁this ▁list ▁are ▁the ▁following : ▁▁ ▁A ircraft ▁cru is ers , ▁also ▁known ▁as ▁av iation ▁cru is ers , ▁cru iser - car riers , ▁flight ▁deck ▁cru is ers , ▁and ▁hy brid ▁batt les hip - car riers , ▁which ▁combine ▁the ▁characteristics ▁of ▁aircraft ▁carri ers ▁and ▁surface ▁war fare ▁ships , ▁because ▁they ▁primarily ▁operated ▁hel ic op ters ▁or ▁float plan es ▁and ▁did ▁not ▁act ▁as ▁a ▁floating ▁air base . ▁Ex amples ▁include ▁the ▁British ▁T iger - class ▁cru is ers , ▁Japanese ▁Hy ū ga - class ▁hel ic opter ▁destroy er , ▁French ▁cru iser ▁Jean ne ▁d ' Ar c , ▁Soviet ▁Mosk va - class ▁hel ic opter ▁cru is ers , ▁and ▁Italian ▁Andrea ▁D oria - class ▁cru is ers . ▁ ▁Am ph ib ious ▁assault ▁ships , ▁also ▁known ▁as ▁comm ando ▁carri ers , ▁assault ▁carri ers , ▁hel ic opter ▁carri ers , ▁landing ▁hel ic opter ▁assault ▁ships ,