Changmookwan is one of the oldest Taekwondo organizations in Korea.
It exists today as a worldwide organization for Taekwondo grandmasters, masters, instructors, and students from a Changmookwan lineage.
This organization issues dan certification, school membership certificates, training, and individual Master Instructor certificates in the USA.
Changmookwan supports the World Taekwondo Federation and the Kukkiwon.