Quartermaster 2nd Class Nicholas Gibson calculates the range of the Military Sealift Command fleet replenishment oiler USNS Henry J. Kaiser (T-AO 187) during an underway replenishment aboard the San Antonio-class amphibious transport dock ship USS Green Bay (LPD 20). Green Bay is underway as part of a scheduled home port shift to Sasebo, Japan. (U.S. Navy photo by Mass Communication Specialist 3rd Class Scott Barnes/Released)