More than 100 Airmen from the 37th Bomb Squadron and 28th Aircraft Maintenance Squadron at Ellsworth Air Force Base, S.D., board a plane at Ellsworth Air Force Base, S.D., Oct. 25, 2018. The Airmen flew to Nevada to participate in exercise Green Flag. Green Flag is an air-to-surface training exercise in various parts of Nevada and California. (U.S. Air Force photo by Tech. Sgt. R. Michael Longoria)