A B-1B Lancer assigned to the 37th Bomb Squadron, Ellsworth Air Force Base, S.D., takes off during Red Flag 15-2 at Nellis Air Force Base, Nev., March 5, 2015. This mock battle in the skies over the Nevada Test and Training Range has yielded results that will increase the combat capability of our armed forces for any future combat situation. (U.S. Air Force photo by Airman 1st Class Rachel Loftis)