T-Bolts at Red Flag.
U.S. Air Force Airman 1st Class Justin Brant, 389th Aircraft Maintenance Unit crew chief, competes pre-flight checks on an F-15E Strike Eagle Feb 1, 2013, at Nellis Air Force Base, Nev. Red Flag provides valuable training and experience to prepare Airmen for future deployments. (U.S. Air Force photo/Senior Airman Heather Hayward)