 From time to time, between 1956 and 1959, he traveled to Hwa Chun, Kang Won Province, where he spent time training in the art of tae kyon, under Bok Yong Lee.Han and his friend, Seo Oh Choi, were both employed by the Hankuk Shil Up Company which assisted other companies in bidding on army surplus goods.Both had prior training in striking based martial arts, Choi in the Jidokwan taekwondo and Han in kwon bup and tae kyon.