More than 40 karate students and instructors from Las Vegas, Phoenix, and Tucson gathered at Ryushinkan Dojo in Tucson, Arizona on 13 April 2024 for a Spring training mini-camp. Sensei Chuck Coburn and Sensei Cheryl Coburn gave seminars on kata and kumite, eligible students tested for promotion, and targeted training for instructors capped off the day.
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