12 March 2026 Twentynine Palms Sailors strengthen warrior ethos, increase lethality through Marine Corps Martial Arts Program TWENTYNINE PALMS, Calif. — Sailors assigned to Navy Medicine Readiness and Training Command (NMRTC) Twentynine Palms completed the Marine Corps Martial Arts Program (MCMAP) Tan Belt course in December 2025, participating in the physically demanding training under the instruction of a Marine...