A B-1 bomber launches from the Ellsworth Air Force Base flightline to participate in the quarterly Large Force Exercise in the Powder River Training Complex March 30-31, 2016. The exercise included 17 aircraft and allowed B-1 bomber aircrews to train alongside other platforms to provide a realistic perspective of how to conduct multi-aircraft operations. (U.S. Air Force photo by Airman 1st Class Sadie Colbert/Released)