Engine Inspection Air Force Staff Sgt. Daniel Spear performs a post-flight inspection of the intake and exhaust systems on an E-8C Joint Surveillance Target Attack Radar System after a mission at Al Udeid Air Base, Qatar, Nov. 6, 2017. Spear is a aerospace propulsion craftsman assigned to the 7th Aircraft Maintenance Unit. Air National Guard photo by Staff Sgt. Patrick Evenson SHARE: Download: Full Size (0.61 MB) Tags: JSTARS, flightline, AUAB, Operation Freedom's Sentinel, Air Force Central Command, OIR, Al udeid air base, AFCENT, Maintainer, Centcom, 379th EMXS, operation inherent resolve, ofs, 379th Expeditionary Maintenance Squadron, 7th AMU, 7th Aircraft Maintenance Unit, E-8C Joint Surveillance Target Attack Radar System, thru-flight inspections, Staff Sgt. Daniel Spear, Engine, Qatar, U.S. Central Command Credit: Staff Sgt. Patrick Evenson VIRIN: 171106-Z-YI114-072.JPG Photo Gallery