B-1s conduct surge
B-1B Lancers sit on the flightline in preparation for an operations surge at Ellsworth Air Force Base, S.D., Nov. 17, 2011. The training opportunity tested the combat readiness and effectiveness of the B-1B Lancer, which can rapidly deliver massive quantities of precision and non-precision weapons against any adversary, anywhere in the world. (U.S. Air Force photo by Senior Airman Kasey Close/Released)