U.S. Marine Corps GySgt. David A. Waterfield Jr., Training Chief, Marine Corps Aircraft Rescue and Firefighter Specialist, Aircraft Rescue Firefighting, Marine Corps Air Station Kaneohe Bay leads a period of instruction during the culminating event of a Martial Arts Instructor course on Marine Corps Base Hawaii, June 9, 2023. MAI courses certify Marines to instruct and monitor Marine Corps Martial Arts Program training and advance Marines in belt levels. MCMAP is a synergy of mental, character, and physical disciplines, and in concert with Marine Corps leadership principles, training in these three disciplines enhances the Marine both on and off the battlefield. - U.S. Marine Corps GySgt. David A. Waterfield Jr., Training Chief, Marine Corps Aircraft Rescue and Firefighter Specialist, Aircraft Rescue Firefighting, Marine Corps Air Station Kaneohe Bay leads a period of instruction during the culminating event of a Martial Arts Instructor course on Marine Corps Base Hawaii, June 9, 2023. MAI courses certify Marines to instruct and monitor Marine Corps Martial Arts Program training and advance Marines in belt levels. MCMAP is a synergy of mental, character, and physical disciplines, and in concert with Marine Corps leadership principles, training in these three disciplines enhances the Marine both on and off the battlefield.

Gunnery Sgt. Justin Kratzer, Radio Maintenance Chief, delivers what looks to be a devestating to blow to Cpl. Jacob Brown, administrative clerk, during the controlled sparring phase of their 3-week long Martial Arts Instructors Course (MAIC) aboard Marine Corps Logistics Base Barstow, Calif., May 10. - Gunnery Sgt. Justin Kratzer, Radio Maintenance Chief, delivers what looks to be a devestating to blow to Cpl. Jacob Brown, administrative clerk, during the controlled sparring phase of their 3-week long Martial Arts Instructors Course (MAIC) aboard Marine Corps Logistics Base Barstow, Calif., May 10.