170321-N-DA434-142 PACIFIC OCEAN (March 21, 2017) Military Sealift Command civilian mariners assigned to the submarine tender USS Frank Cable (AS 40) participate in a refueling at sea with the fleet replenishment oiler USNS Guadalupe (T-AO-200). Frank Cable is en route to Portland, Ore. for a scheduled dry-dock maintenance availability. (U.S. Navy photo by Mass Communication Specialist 3rd Class Alana Langdon/Released)