U.S. Navy Aviation Support Equipment Technician Airmen Christopher Hennen, left, and Branden Kelley perform maintenance on a spotting dolly aboard 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.