B-1 bombers returning from Andersen Air Force Base, Guam, taxi down the runway at Ellsworth Air Force Base, S.D., Jan. 25, 2018. B-1 bombers from the 37th Bomb Squadron and Airmen from the 37th Aircraft Maintenance Unit were deployed to Andersen AFB, to take part in the Continuous Bomber Presence mission. (U.S. Air Force photo by Airman 1st Class Nicolas Z. Erwin)