A student of the Brazilian Jiujitsu class ties his gi during a class Rhine Ordnance Barracks, Germany, Nov. 26, 2012. Students here go over different self-defense techniques. Many different people come through the class all with different skill levels. Some people practice Jujitsu for the technique, others for fitness or even just for self-defense. Classes are Mondays, Wednesdays and Fridays from 6 p.m. to 8 p.m. (U.S. Air Force photo/ Senior Airman Aaron-Forrest Wainwright)