Dan (rank) highest level that might be attained, with instructor certification and judge/judgment authorization being understood as higher-level or more sophisticated. Many arts use between one and ten dan ranks: In some martial arts, black belts are worn for all "dan" grades. In others, the highest grade (10th "dan") wears a red colored belt. In Jūdo and Shotokan 6th to 8th "dan" may wear a red and white-patterned belt and 9th to 10th "dan" may wear a solid red belt. There is some variation even within styles. Generally, belts do not have markings that indicate the actual "dan" grade. Okinawan styles used
USA Judo in domestic and international judo competitions, and the promotion and growth of the sport of judo in the United States." USA Judo USA Judo is a non-profit organization which represents from all areas of U.S. judo practitioners, including athletes, coaches, referees and others. The organization is managed by a staff of seven at the USA Judo National Office which is located at the U.S. Olympic Training Center in Colorado Springs, Colorado. Keith Bryant is the CEO/Executive Director of USA Judo as of August 2016. Mark C. Hill replaced Lance Nading as Board President in 2017. MISSION: "As a National Governing