North Charleston, S.C. ship repair yard Detyens Shipyards has been awarded a $21,007,304 contract for a 91-calendar day shipyard availability for the regular overhaul/dry-docking availability of Military Sealift Command's (MSC) fleet replenishment oiler USNS Kanawha (T-AO 196).The firm-fixed-price contract includes a base period and four options which