CAMP LIBERTY, Iraq – Sgt. 1st Class Richard Mason (right), 16th Engineer Brigade, Multi-National Division – Baghdad, of Delaware, Ohio, watches the line of scrimmage during a flag football game Sept. 22 at the Victory Base Complex. Mason, who performed as a line judge during the game, was one of six students who participated in an Ohio High School Athletic Association Football Officiating Course conducted from July to September. The game offered the students an opportunity to practice Ohio high school officiating rules and gain on-the-field experience calling a football game.