A group of J.P. McCaskey Air Force Junior ROTC cadets stand in formation and wait for commands as they compete in a game of knockout, May 8, 2018, at the 193rd Special Operations Wing in Middletown, Pennsylvania. The goal of knockout is to be the last person in formation by correctly following drill and ceremony commands. Individuals are eliminated by making mistakes and not following commands. (U.S. Air National Guard photo by Staff Sgt. Tony Harp/Released)