FRAME WORK U.S. Navy Petty Officer 2nd Class Steven Aldridge, aviation machinist mate, inspects the after burner of a F404 engine in the jet shop aboard the aircraft carrier USS Ronald Reagan in the Arabian Sea, July 3, 2009. Aldridge is an aviation machinist mate who maintains, services, adjust sand replaces aircraft engines and accessories. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 556093-V-SGI25-976.jpg Photo Gallery