Crane
U.S. Air Force Staff Sgt. Michael Griggs, 23d Component Maintenance Squadron aerospace propulsion craftsman, prepares to operate a crane in the engine test cell facility at Moody Air Force Base, Ga., Feb. 21, 2014. After aircraft engine repairs are complete, the engine is brought to the test cell facility for functionality testing. (U.S. Air Force photo by Airman 1st Class Ryan Callaghan/Released)