181223-N-PI764-0204 ARABIAN GULF (Dec. 23, 2018) U.S. Marine Corps General Joseph Dunford, chairman of the Joint Chiefs of Staff, assists the helmsman during a USO tour aboard the aircraft carrier USS John C. Stennis (CVN 74). The John C. Stennis 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 Seaman Mitchell Banks/Released)