Defenders from the 5th Security Forces Squadron drive a Humvee on the mass parking area during Exercise Global Thunder 15 on Minot Air Force Base, N.D., Oct. 21, 2014. The exercise provides training opportunities for U.S. Strategic Commands other mission areas: missile defense, intelligence, surveillance and reconnaissance; and combating weapons of mass destruction. (U.S. Air Force photo/Senior Airman Brittany Y. Bateman)