An aviator assigned to the 34th Bomb Squadron at Ellsworth Air Force Base, S.D., conducts pre-flight checks on a B-1B Lancer prior to launching in support of a Bomber Task Force mission in the U.S. European Command area of responsibility May 19, 2020. BTF missions are representative of the U.S. commitment to integrate with NATO and allied partners to ensure regional security. (U.S. Air Force photo by Airman 1st Class Christina Bennett)

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Photo by: Christina Bennett |  VIRIN: 200519-F-BH261-0083.JPG