Airmen from a variety of squadrons unload from their bus at the new deployment center at Ellsworth Air Force Base, S.D. on July 21, 2012, beginning their trek to Southwest Asia. Ellsworth aircrews will conduct B-1 missions designed to rapidly deliver massive quantities of precision and non-precision weapons against adversaries. (U.S. Air Force photo by Airman 1st Class Hrair H. Palyan/Released)