Airman 1st Class Cole Childers, a 28th Aircraft Maintenance Squadron B-1 crew chief, looks at a checklist while in the tool crib at Ellsworth Air Force Base, S.D., Sept. 11, 2018. Maintainers from the 37th and 34th Bomb Squadrons utilize equipment and tools from the 28th Maintenance Squadron tool crib to make sure the base’s B-1s are flight-worthy and ready to deploy at a moment’s notice. (U.S. Air Force photo by Airman 1st Class Thomas Karol)