Marine and civilian students review their work together in the same classroom aboard Marine Corps Air Station Miramar, Calif., Feb. 11. Both groups went through the same training at the Marine Corps Police Academy West: Marines for follow-on training and civilian students for certification to become Marine Corps civilian police officers. - Marine and civilian students review their work together in the same classroom aboard Marine Corps Air Station Miramar, Calif., Feb. 11. Both groups went through the same training at the Marine Corps Police Academy West: Marines for follow-on training and civilian students for certification to become Marine Corps civilian police officers.