Army Staff Sgt. Fritzgerald Butac, 19th Public Affairs Detachment, spars with another classmate during Krav Maga at a dojo in Renton, Wash., Sept 120905-A-OP586-159

Army Staff Sgt. Fritzgerald Butac, 19th Public Affairs Detachment, spars with another classmate during Krav Maga at a dojo in Renton, Wash., Sept. 5, 2012. Krav Maga is a noncompetitive, self-defense system which emerged in the 1940s as a training tool for the Israel Defense Forces. It incorporates different martial arts and fighting techniques, but is meant to be less formal and have no sportsmanship rules.