▁Military ▁Se al ift ▁Command ▁and ▁was ▁built ▁in ▁Mobile , ▁Alabama . ▁ ▁On ▁ 6 ▁October ▁ 2 0 1 1 , ▁ ▁Secretary ▁of ▁the ▁Navy ▁Ray ▁M ab us ▁announced ▁in ▁A ck erman , ▁Mississippi ▁that ▁the ▁second ▁Ex ped ition ary ▁Fast ▁Transport , ▁previously ▁having ▁been ▁named ▁V ig il ant ▁by ▁the ▁United ▁States ▁Army ▁before ▁the ▁transfer ▁of ▁the ▁E PF ▁program ▁to ▁the ▁Navy , ▁would ▁be ▁named ▁US NS ▁Cho ct aw ▁County . ▁Since ▁the ▁ship ▁will ▁be ▁operated ▁by ▁the ▁Military ▁Se al ift ▁Command ▁and ▁not ▁the ▁United ▁States ▁Navy ▁itself , ▁it ▁will ▁carry ▁the ▁US NS ▁design ation ▁and ▁not ▁USS . ▁The ▁ship ▁is ▁named ▁for ▁three ▁U . S . ▁count ies , ▁located ▁in ▁Alabama , ▁Mississippi , ▁and ▁Oklahoma , ▁all ▁three ▁of ▁which ▁are ▁named ▁for ▁the ▁Cho ct aw ▁tribe ▁of ▁American ▁Indians . ▁ ▁Cap abilities ▁The ▁E PF ▁can ▁transport ▁US ▁Army ▁and ▁US ▁Marine ▁Corps ▁company - s ized ▁units ▁with ▁their ▁vehicles , ▁or ▁re configure ▁to ▁become ▁a ▁tro op ▁transport ▁for ▁an ▁inf antry ▁batt alion . ▁▁▁▁ ▁It ▁has ▁a ▁flight ▁deck ▁for ▁hel ic opter ▁operations ▁and ▁a ▁loading ▁r amp ▁that ▁allows ▁vehicles ▁to ▁quickly ▁drive ▁on ▁and ▁off ▁the ▁ship . ▁The ▁r amp ▁is ▁suitable ▁for ▁the ▁types ▁of ▁aust ere ▁pi ers ▁and ▁qu ay ▁walls ▁common ▁in ▁developing ▁countries . ▁E PF ▁has ▁a ▁shall ow ▁draft ▁(