U.S. Sailors perform maintenance on a quick-acting watertight door in the hangar bay of the aircraft carrier USS Harry S. Truman (CVN 75) March 8, 2014, in the Gulf of Oman. The Harry S. Truman Carrier Strike Group was deployed to the U.S. 5th Fleet area of responsibility conducting maritime security operations and theater security cooperation efforts in support of Operation Enduring Freedom.