B-1s launch for Red Flag 20-1
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)

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Photo by: Senior Airman Nicolas Z. Erwin |  VIRIN: 200122-F-RU464-0213.JPG