180401-N-WO968-1067 INDIAN OCEAN (April 1, 2018) Sailors and Marines sing hymns during an Easter service in the fo’c’sle of the aircraft carrier USS Theodore Roosevelt (CVN 71). Theodore Roosevelt is underway for a regularly scheduled deployment in the U.S. 7th Fleet area of operations in support of maritime security operations and theater security cooperation efforts. (U.S. Navy photo by Mass Communication Specialist 3rd Class Joseph S. Yu/Released)