170630-N-UM507-051 PACIFIC OCEAN (June 30, 2017) The fleet replenishment oiler USNS Yukon (T-AO 202) performs a replenishment-at-sea with the aircraft carrier USS Nimitz (CVN 68) in the Pacific Ocean. Nimitz is on deployment in the U.S. 7th Fleet area of operations. The U.S. Navy has patrolled the Indo-Asia Pacific routinely for more than 70 years promoting regional peace and security. (U.S. Navy photo by Mass Communication Specialist 3rd Class Weston A. Mohr/Released)