Black Belt Magazine Correspondent

G.M. Kim Soo was the 1st corespondent in Korea for Black Belt Magazine of U.S.A.
which was the first martial arts magazine in the world.

G.M. Kim Soo was the first person to introduce Korean Martial Arts to the rest of the world through this magazine until he left Korea: Judo, Hapkido, Taesoo-do, Police martial arts, competion, Keum-do, Taekyun, and the activities of Korean soldiers in the Viet-Nam war.