Staff Sgt. Brandon Bell, 455th Expeditionary Aircraft Maintenance Squadron aerospace propulsion craftsman, conducts an inspection on an EC-130H Compass Call propeller at Bagram Airfield, Afghanistan, Nov. 23, 2011. Bell, who hails from Plano, Texas, is stationed at Davis-Monthan Air Force Base, Ariz. (U.S. Air Force photo/ Senior Airman Krista Rose)