Staff Sgt. Michael Goenner performs a preflight inspection on an RQ-4 Global Hawk aircraft. U.S. Air Force Staff Sgt. Michael Goenner, a crew chief with the 380th Expeditionary Aircraft Maintenance Squadron, performs a preflight inspection while standing on the fuselage of an RQ-4 Global Hawk aircraft at a location in Southwest Asia prior to a combat mission on Feb. 12, 2010. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 787746-B-VXA66-111.jpg Photo Gallery