Meet Chuck Norris’ Tae Kwon Do instructor

While posted to Osan Air Base, South Korea in the 1950s, Chuck Norris began learning martial arts at the Osan Gym. One of those who taught him, Grand Master Do Sik Mun, is still teaching U.S. military personnel at the gym till this day.

Photo by U.S. Army Staff Sgt. Heather A. Denby, 35th ADA Public Affairs