▁on ▁the ▁U . S .- h eld ▁Philippines , ▁Gu am ▁and ▁W ake ▁Island ▁and ▁on ▁the ▁British ▁Empire ▁in ▁Mal aya , ▁Singapore , ▁and ▁Hong ▁Kong . ▁ ▁The ▁attack ▁comm enced ▁at ▁ 7 : 4 8   a . m . ▁Hawai ian ▁Time ▁( 1 8 : 1 8 ▁G MT ). ▁The ▁base ▁was ▁attacked ▁by ▁ 3 5 3 ▁Imperial ▁Japanese ▁aircraft ▁( including ▁f igh ters , ▁level ▁and ▁d ive ▁bom bers , ▁and ▁tor ped o ▁bom bers ) ▁in ▁two ▁waves , ▁launched ▁from ▁six ▁aircraft ▁carri ers . ▁All ▁eight ▁U . S . ▁Navy ▁batt les hips ▁were ▁dam aged , ▁with ▁four ▁s unk . ▁All ▁but ▁ ▁were ▁later ▁raised , ▁and ▁six ▁were ▁returned ▁to ▁service ▁and ▁went ▁on ▁to ▁fight ▁in ▁the ▁war . ▁The ▁Japanese ▁also ▁s ank ▁or ▁dam aged ▁three ▁cru is ers , ▁three ▁destroy ers , ▁an ▁anti - air craft ▁training ▁ship , ▁and ▁one ▁min el ayer . ▁ 1 8 8 ▁U . S . ▁aircraft ▁were ▁destroyed ; ▁ 2 , 4 0 3 ▁Americans ▁were ▁killed ▁and ▁ 1 , 1 7 8 ▁others ▁were ▁wounded . ▁Import ant ▁base ▁install ations ▁such ▁as ▁the ▁power ▁station , ▁dry ▁dock , ▁ship yard , ▁maintenance , ▁and ▁fuel ▁and ▁tor ped o ▁storage ▁facilities , ▁as ▁well ▁as ▁the ▁sub marine ▁pi ers ▁and ▁headquarters ▁building ▁( also ▁home ▁of ▁the ▁intelligence ▁section )