U.S. Air Force Staff Sgt. Danny Shaw, top, actuates an exhaust nozzle as Staff Sgt. Nathan Gadbois installs safety wiring around bolts on an F-16 Fighting Falcon aircraft at Joint Base Balad, Iraq, Oct. 6, 2008. Both Airmen are aerospace propulsion journeymen with the 332nd Expeditionary Aircraft Maintenance Squadron and are deployed from Misawa Air Base, Japan. (DoD photo by Airman 1st Class Jason Epley, U.S. Air Force/Released)