U.S. Army Staff Sgt. Cesar Ruiz, 47th Infantry Regiment, Drill Sergeant of the Year competitor, instructs Pvt. Ryan Max how to properly assemble and wear a chemical warfare suit, June 22, 2012, during the 2012 Drill Instructor of the Year Competition at Fort Eustis, Va. Ruiz is one of six competing for the 2012 award. (U.S. Air Force photo by Senior Airman Stephanie Rubi/Released)