Yodel
Staff Sgt. Colt Crowe, an 820th Base Defense Group jumpmaster, yells to jumpers prior to a static-line jump, July 14, 2017, in the skies over Moody Air Force Base, Ga. The 820th BDG includes airborne-qualified Airmen to support the expeditionary Air Force’s only worldwide deployable, first-in, self-sustaining force protection capability. (U.S. Air Force photo/Staff Sgt. Ryan Callaghan)