U.S. Air Force Staff Sgt. Kyle Lake, left, and Senior Airman Ryan Holm, both 60th Aircraft Maintenance Squadron flying crew chiefs, discuss maintenance of the C-5M Super Galaxy Oct. 26, 2021, at Joint Base Charleston, South Carolina. Flying crew chiefs are assigned to aircraft for all missions where they perform advanced maintenance and troubleshooting for any aircraft scenario. (U.S. Air Force photo by Senior Airman Jonathon Carnell)