Dr. Ronald Charles, Judo and Jujitsu instructor, teaches participants about self defense techniques during the Women's Self Defense Seminar June 1, 2013, at Joint Base Charleston – Weapons Station, S.C. Black belt instructors experienced in Judo and Jujitsu presented the free seminar that included street survival techniques and various methods of self defense as well as commercially available weapons and instruction on improvising weapons. (U.S. Air Force photo/ Senior Airman George Goslin)