U.S. Air Force medical personnel assigned to the 776th Expeditionary Air Base Squadron conduct trauma response training with partner medical teams during Exercise Pale Serpent at Chabelley Airfield, Djibouti, Dec. 29, 2025. The exercise provided realistic training to practice delivering life-saving care and executing coordinated emergency response procedures during a mass-casualty scenario. (U.S. Air Force video by Staff Sgt. Christian Silvera)