A Sea Cadet from Advanced Training Command New England applies a tourniquet to a mannequin as part of Tactical Combat Casualty Care (TCCC) Course June 30, 2025. TCCC is developed by the U.S. Department of Defense, Defense Health Agency (DHA) Joint Trauma System (JTS) to teach evidence-based, life-saving techniques and strategies for providing the best trauma care on the battlefield. (U.S. Navy photo by Lt. Sydney Wall)
