Robert Diekman, Air Force Retained Area Safety Quality Control Manager prepares spent munitions for detonation Oct. 3 2011 on the World War II era Badland Bombing Range. These are the last known munitions left on this portion of the Badlands Bombing Range after a three month effort to excavate and destroy all unexploded ordinances on the 2,486 acres of land (U.S. Air Force photo by Amn Kate Walker/Released).