U.S. Army Staff Sgt. Mathew Johnson, Charlie Company, 210th Aviation Regiment, 128th Aviation Brigade instructor and NCO of the Year competitor performs first aid on a simulated Soldier’s injuries during the NCO and Advanced Individual Training Platoon Sergeant of the Year Competition at Joint Base Langley-Eustis, Va., March 8, 2017. Along with demonstrating leadership abilities in a simulated hostile environment, competitors had to clear buildings and identify improvised explosive devices during the battlefield scenario. (U.S. Air Force photo/Airman 1st Class Kaylee Dubois)