▁was ▁de comm ission ed ▁and ▁remained ▁in ▁the ▁United ▁States ▁Reserve ▁Fle et ▁until ▁ 1 9 5 9 , ▁when ▁she ▁was ▁broken ▁up ▁for ▁sc rap . ▁ ▁USS ▁Indian apolis ▁( CA - 3 5 ) ▁▁ ▁Indian apolis ▁served ▁as ▁flags hip ▁of ▁Sc out ing ▁Force ▁ 1 ▁during ▁World ▁War ▁II , ▁and ▁saw ▁action ▁in ▁a ▁number ▁of ▁campaign s ▁in ▁the ▁Pacific ▁the ater . ▁She ▁supported ▁the ▁Gilbert ▁and ▁Marshall ▁island ▁campaign s ▁as ▁well ▁as ▁operations ▁off ▁the ▁Caroline ▁Islands . ▁Later ▁in ▁the ▁war ▁she ▁fought ▁in ▁the ▁Battle ▁of ▁Philipp ine ▁Sea ▁and ▁later ▁the ▁Battle ▁of ▁I wo ▁J ima ▁and ▁particip ating ▁in ▁the ▁Battle ▁of ▁Ok ina wa . ▁ ▁In ▁mid - 1 9 4 5 , ▁she ▁sa iled ▁from ▁the ▁United ▁States ▁to ▁T in ian ▁Island ▁carrying ▁components ▁of ▁Little ▁Boy ▁and ▁F at ▁Man , ▁the ▁two ▁nuclear ▁weapons ▁which ▁would ▁later ▁be ▁used ▁to ▁bomb ▁H iro sh ima ▁and ▁Nag as aki . ▁S ail ing ▁for ▁Ley te ▁un esc orted ▁under ▁Captain ▁Charles ▁B . ▁Mc V ay ▁III , ▁she ▁was ▁s unk ▁by ▁ ▁on ▁ 3 0 ▁July ▁ 1 9 4 5 , ▁s inking ▁in ▁just ▁ 1 2 ▁minutes . ▁Many ▁sail ors ▁were ▁killed ▁by ▁sh arks ▁after ▁the ▁w reck . ▁An ▁estimated ▁ 9 0 0 ▁of ▁her ▁ 1 , 1 9 5 ▁crew ▁surv ived ▁the ▁initial