A U.S. Marine Corps MV-22B Osprey tiltrotor aircraft, left, assigned to Marine Medium Tiltrotor Squadron (VMM) 166 prepares to land on the flight deck of the aircraft carrier USS Harry S. Truman (CVN 75) Nov. 23, 2013, 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.