Cpl. Javier Carpintero's route to becoming a Marine Corps Martial Arts Instructor CpMarine Corps Cpl. Javier Carpintero, left, performs a Marine Corps Martial Arts Program technique on a student on Camp Courtney, Okinawa, Japan, Dec. 7, 2017. The purpose of MCMAP is to train Marines on combat skills that may be used in real-life situations. Marine Corps photo by Lance Cpl. Savannah Mesimer SHARE: Download: Full Size (1.49 MB) Credit: Lance Cpl. Savannah Mesimer VIRIN: 171207-M-GB409-0008.JPG Photo Gallery