Airman 1st Class Michael Bryant, 28th Aircraft Maintenance Squadron weapons load crew member, inspects inert guided bomb units prior to loading them into a B-1 bomber mock trainer in the Load Crew Training Facility at Ellsworth Air Force Base, S.D., Aug. 13, 2013. Guided bomb units are 500-pound precision strike, satellite guided munitions that deliver accurate strikes against moving and stationary targets. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)