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Ko Dan Ja Shim Sa USA
Ko Dan Ja rank (4th Dan and up) certification opportunities and Sa Bom level instructor certification opportunities in Soo Bahk Do® Moo Duk Kwan® in the U.S. are available to classing eligible and/or time eligible U.S. Soo Bahk Do Moo Duk Kwan Federation® members who are recommended and invited to an annual U.S. Ko Dan Ja Shim Sa where they are joined by other qualified applicants, guests and Alumni as may be invited