The U.S. Department of Defense informs that Detyens Shipyards Inc., North Charleston, South Carolina, is being awarded an $11,631,622 firm-fixed-price contract for a 75-calendar day regular overhaul and dry-docking of USNS Arctic (T-AOE 8). DoD explains that Arctic's primary mission is to deliver petroleum products, ammunition, food and other cargo to ships at sea. Work will include opening, cleaning and purging gas from tanks, voids and cofferdams; repairing and replacing various sections of weather deck handrails on the forward main mast, replenishment-at-sea and fueling-at-sea kingposts and access ladders; modifying the main reduction gear lube oil purifier…