U.S. Navy Machinist's Mate 2nd Class Ronald Jardine inspects a lube oil sample during a lube oil transfer in the hangar bay aboard the aircraft carrier USS Harry S. Truman (CVN 75) in the Gulf of Oman Dec. 11, 2013. The Harry S. Truman, the flagship for 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.