1966 the international taekwon-do federation (itf) was formed. appointed as chief instructor and a founding member of the itf. -taught tae-kwon do patterns, chon-ji to choong-moo to instructor jhoon ree. thereafter jhoon rhee went to usa and published the taekwon-do handbook. taught tae-kwon do patterns chon-ji to choong-moo to instructor kim han chan. thereafter kim han chan went to argentina. appointed as the first tae kwon do chief instructor to the korean national police force, by the minister of homeland affairs