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Airman 1st Class Olivia Vargas, 28th Aircraft Maintenance Squadron crew chief, performs maintenance on a U.S. Air Force B-1B Lancer from Ellsworth Air Force Base, S.D., at Andersen Air Force Base, Guam, in support of a Bomber Task Force mission, Dec. 26, 2020. Bomber Task Force maintainers ensure the bombers, such as the B-1B Lancer, and associated equipment are ready to provide airpower – anytime, anywhere.