AVIATION CONCENTRATION U.S. Navy Petty Officer 3rd Class Kaleb Davis conducts maintenance in the hangar bay of the aircraft carrier USS Carl Vinson in the U.S. 5th Fleet area of responsibility, Jan. 5, 2015. Davis is an aviation structural mechanic assigned to Strike Fighter Squadron 22. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 073661-F-MLR94-926.jpg Photo Gallery