After three grueling weeks of intense physical and mental training, Marines completed the Marine Corps Martial Arts Instructor Course April 10 at Combined Arms Training Center Camp Fuji, Gotemba, Japan. - Marines spar during a Marine Corps Martial Arts Instructor Course April 10 at Combined Arms Training Center Camp Fuji, Gotemba, Japan. The MAI course brought Marines stationed across 15 countries together to endure rigorous training and earn a tab for their MCMAP belt, signifying them as Marine Corps Martial Arts Program Instructors. MCMAP is a fundamental skill for all Marines, beginning in boot camp. It strengthens combat readiness and promotes physical fitness. (Courtesy photo by U.S. Marine Corps 2nd Lt. Ryan Morie)