A Civil Service Mariners, serving aboard Military Sealift Command's fleet replenishment oiler USNS Joshua Humphreys (T-AO 188), communicates with the guided missile destroyer USS Bainebridge (DDG 96) by way of sound powered telephone via the telephone and distance line, during an underway replenishment-at-sea in the Atlantic Ocean, July 17. USNS Joshua Humphreys was standing watch as the Military Sealift Command Atlantic Duty Oiler, providing logistic support for U.S. Navy ships operating in the region. (U.S. Navy photo by Bill Mesta/released)