Marines from multiple units throughout the air station fire the M9 pistol during Security Augmentation Forces training aboard Marine Corps Air Station Miramar, Calif., May 1. The training was held over a 10-day period and covered the basics of law enforcement and use of force. - Marines from multiple units throughout the air station fire the M9 pistol during Security Augmentation Forces training aboard Marine Corps Air Station Miramar, Calif., May 1. The training was held over a 10-day period and covered the basics of law enforcement and use of force.