U.S. Navy Petty Officer 3rd Class Amanda Oterocastillo tightens a bolt on a jet engine in the jet shop aboard the aircraft carrier USS Ronald Reagan (CVN 76) in the Gulf of Oman on July 21, 2009. The jet shop is part of the aircraft intermediate maintenance department, whose sole responsibility is maintaining jet engines. The Ronald Reagan is deployed to the U.S. 5th Fleet area of operations.