U.S. Airmen with the 193rd Special Operations Wing, Pennsylvania Air National Guard, provide tactical field care and security during a Tactical Combat Casualty Care course, Jan. 12, 2018, at Fort Indiantown Gap, Pennsylvania. Airmen completed the TCCCs second phase, tactical field care, where they established security and provided medical treatment in preparation for evacuation. (U.S. Air National Guard photo by Staff Sgt. Tony Harp/Released)