Airman 1st Class Coby Nette, 90th Missile Maintenance Squadron Periodic Maintenance Team technician, lowers equipment into the launch support building for a Minuteman III launch facility, in the F.E. Warren Air Force base, Wyo., missile complex, Sept. 2, 2015. Airmen are required to wear a safety harness to prevent injury to themselves whenever lowering items into LFs. (U.S. Air Force photo by Airman 1st Class Malcolm Mayfield)