191215-N-LY620-0021 RED SEA (Dec. 15, 2019) Quartermaster 3rd Class Ian Macalister uses a stadimeter to triangulate the distance between the Nimitz-class aircraft carrier USS Harry S. Truman (CVN 75) and the fast-combat support ship USNS Supply (T-AOE 6) before a replenishment-at-sea in the Red Sea, Dec. 15, 2019. The Harry S. Truman Carrier Strike Group is deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and the Pacific through the western Indian Ocean and three strategic choke points. (U.S. Navy photo by Mass Communication Specialist 3rd Class Benjamin Waddell/Released)