U.S. Army Staff Sgt. Sean Chilcote, Alpha Company, 1st Battalion, 210th Aviation Regiment, 128th Avn. Brigade drill sergeant, checks over his uniform at Joint Base Langley-Eustis, Virginia, Feb. 6, 2019. During the Drill Sergeant of the Year competition, drill sergeants are evaluated by a board to test their leadership knowledge and their ability to train Soldiers. (U.S. Air Force photo by Senior Airman Tristan Biese)