▁block ade , ▁but ▁a ▁second ▁order ▁came ▁as ▁she ▁was ▁leaving ▁Ham pton ▁Ro ads , ▁telling ▁them ▁to ▁strike ▁" block ade " ▁- ▁under ▁international ▁law , ▁an ▁act ▁of ▁war ▁- ▁and ▁insert ▁" qu ar antine ." ▁The ▁Lawrence ▁was ▁en ▁route ▁to ▁make ▁the ▁first ▁inter ception ▁of ▁a ▁Soviet ▁ship . ▁Half way ▁to ▁her ▁intercept ▁point , ▁an ▁order ▁came ▁to ▁change ▁her ▁destination . ▁The ▁destroy er ▁USS ▁Joseph ▁P . ▁Kennedy ▁Jr . ▁( DD - 8 5 0 ) ▁would ▁conduct ▁the ▁first ▁inter ception . ▁ ▁Gl ory ▁thus ▁sn atch ed , ▁Lawrence ▁remained ▁at ▁sea ▁for ▁ 8 0 ▁days , ▁ste aming ▁in ▁circles ▁with ▁the ▁nuclear ▁car rier ▁USS ▁Enter prise ▁( CV N - 6 5 ) ▁and ▁other ▁ships . ▁Early ▁in ▁the ▁quar antine ▁operation , ▁the ▁n avy ▁had ▁begun ▁to ▁make ▁plans ▁to ▁in va de ▁Cuba , ▁but ▁as ▁Must in ▁discovered ▁later , ▁Command ant ▁of ▁the ▁Marine ▁Corps ▁G EN ▁David ▁M . ▁Sh oup ▁determined ▁that , ▁despite ▁the ▁eight ▁carri ers ▁involved ▁in ▁the ▁operation , ▁the ▁n avy ▁did ▁not ▁have ▁enough ▁fire power ▁to ▁support ▁an ▁am ph ib ious ▁assault . ▁ ▁The ▁Iowa - class ▁batt les hips ▁that ▁had ▁provided ▁shore ▁bomb ard ment ▁during ▁the ▁Korean ▁War ▁had ▁all ▁been ▁de comm ission ed ▁and ▁moth b alled ▁in ▁the ▁late ▁ 1 9 5 0 s ▁and ▁consequ ently ▁the