U.S. Air Force airmen and British airmen practice clearing a building.
U.S. Air Force airmen with the 820th Base Defense Group and British airmen with the Royal Air Force No. 1 Squadron practice clearing a building during exercise Desert Eagle at the Nevada Test and Training Range, Nev., on March 9, 2011. Exercise Desert Eagle is designed to improve both nationsí ability to work together during present and future contingencies.