B-1s launch for Red Flag 20-1

Airman Jacob Martinez, a 37th Bomb Squadron crew chief, ushers a B-1B Lancer at Ellsworth Air Force Base, S.D., Jan. 22, 2020. Red Flag is the U.S. Air Force's premier air-to-air combat training exercise. (U.S. Air Force photo by Senior Airman Nicolas Z. Erwin)

A 37th Bomb Squadron B-1B Lancer takes off at Ellsworth Air Force Base, S.D., Jan. 22, 2020. Red Flag is a contested combat training exercise coordinated at Nellis Air Force Base, Nev., and is one of a series of advanced training programs administered there. (U.S. Air Force photo by Senior Airman Nicolas Z. Erwin)

Airman Jacob Martinez, a 37th Bomb Squadron crew chief, waits as a B-1B Lancer taxis at Ellsworth Air Force Base, S.D., Jan. 22, 2020. The mission of Red Flag is to maximize the combat readiness and survivability of participants by providing multi-domain training in a combined threat environment. (U.S. Air Force photo by Senior Airman Nicolas Z. Erwin)

Two 37th Bomb Squadron crew chiefs work together to prepare a B-1B Lancer for Red Flag 20-1 at Ellsworth Air Force Base, S.D., Jan. 22, 2020. Each year, four to six Red Flag exercises are held at Nellis Air Force Base, Nev. (U.S. Air Force photo by Senior Airman Nicolas Z. Erwin)

B-1B Lancers assigned to the 28th Bomb Wing at Ellsworth Air Force Base, S.D., leave the parking apron of the flight line, Jan. 22, 2020. Aircrews and B-1s from the 37th Bomb Squadron launched for Red Flag 20-1, a two-week advanced aerial combat training exercise held several times a year by the U.S. Air Force. (U.S. Air Force photo by Staff Sgt. Hailey Staker)

A B-1B Lancer assigned to the 28th Bomb Wing taxi’s past the PRIDE Hangar at Ellsworth Air Force Base, S.D., Jan. 22, 2020. The 37th Bomb Squadron is participating in Red Flag 20-1, where its mission is to maximize the combat readiness and survivability of participants by providing multi-domain training in a combined threat environment. (U.S. Air Force photo by Staff Sgt. Hailey Staker)

A 37th Bomb Squadron B-1B Lancer is prepped for Red Flag 20-1 at Ellsworth Air Force Base, S.D., Jan. 22, 2020. Red Flag is a two-week advanced aerial combat training exercise held several times a year by the U.S. Air Force. (U.S. Air Force photo by Senior Airman Nicolas Z. Erwin)