200228-M-CJ305-9031.JPG - U.S. Marines spar during a Marine Corps Martial Arts Program (MCMAP) training event at Marine Corps Air Station Cherry Point, North Carolina, Feb. 28, 2020. Professional development, such as MCMAP, builds mutual understanding, implicit communication, a feeling of pride, fellowship, and common loyalty. (U.S. Marine Corps photo by Lance Cpl. Michael Neuenhoff)