Maj. Gen. Richard Clark, Eighth Air Force commander, signs an inert MK-62 500-pound Quick Strike Mine at Ellsworth Air Force Base, S.D., Jan. 19, 2016. The general signed the munition after receiving a tour of the 34th Bomb Squadron, which has been renovated since his last time at Ellsworth. (U.S. Air Force photo by Airman 1st Class James L. Miller/Released)