Maj. Gen. Peter Gersten, U.S. Air Force Warfare Center commander, speaks during the General Atomics’ MQ-1B/9 Squadron of the Year awards presentation at Mount Rushmore in Keystone, S.D., Dec. 7, 2018. The 89th Attack Squadron, a tenant unit at Ellsworth Air Force Base, won this year’s award. (U.S. Air Force photo by Senior Airman Denise Jenson)