A U.S. Air Force 320th Special Tactics Squadron operator evaluates the injuries of a patient involved in a simulated mass casualty scenario Jan. 9, 2018, at Kadena Air Base, Japan. Working as an integrated team, 320th STS pararescuemen are trained at provider-level Tactical Combat Casualty Care (TCCC) and combat controllers are trained at the combatant-level TCCC. (U.S. Air Force photo by Capt. Jessica Tait)