Lt. Col. Ryan Carignan, 34th Bomb Squadron project officer, briefs B-1 bomber aviators from the 34th BS in preparation for the stand-off weapons integration exercise at Ellsworth Air Force Base, S.D., Aug. 13, 2014. The purpose of the exercise was to train B-1 aircrews and B-52 Stratofortress aircrews assigned to the 23rd Bomb Squadron, Minot Air Force Base, in the employment of stand-off weapons during simulated tactical scenarios to prepare for real world contingencies. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)