A B-1B Lancer assigned the 34th Bomb Squadron, Ellsworth Air Force Base, South Dakota, flies over the Nevada Test and Training Range during a Red Flag 21-1 exercise Feb. 1, 2021. Red Flag exercises are a vital part of readiness training, ensuring U.S. and coalition forces are prepared to meet the requirements of the National Defense Strategy. (U.S. Air Force Photo by Airman 1st Class Dwane R. Young)