U.S. Airmen conduct maintenance on a B-1B Lancer aircraft as another B-1 flies over head Nov. 2, 2009, at Ellsworth Air Force Base, S.D. The B-1B can rapidly deliver massive quantities of precision and non-precision weapons against any adversary, anywhere in the world. (DoD photo by Airman 1st Class Joshua J. Seybert, U.S. Air Force/Released)