A UC-12B aircraft is towed to the flight line at the Marine Corps Air Station in Yuma, Ariz., prior to take off June 2, 2009. The station has two C-12s, which serve as transportation for service members on official military business across the country. The C-12 is a fixed-wing, turboprop aircraft used by the Marine Corps since 1982. (Photo by Cpl. Laura A. Mapes) - A UC-12B aircraft is towed to the flight line at the Marine Corps Air Station in Yuma, Ariz., prior to take off June 2, 2009. The station has two C-12s, which serve as transportation for service members on official military business across the country. The C-12 is a fixed-wing, turboprop aircraft used by the Marine Corps since 1982. (Photo by Cpl. Laura A. Mapes)

Marines with Marine Attack Squadron 211, out of the Marine Corps Air Station in Yuma, Ariz., mount an AIM-120 advanced medium-range air-to-air missile onto the wing of an AV-8B Harrier June 8, 2009, at Kadena Air Base in Okinawa, Japan. The squadron became the first Marine unit to launch the AMRAAM from a Harrier. VMA-211 is currently deployed with the 31st Marine Expeditionary Unit and is participating in Exercise Talisman Saber in Australia.(Photo by Lance Cpl. Jeffrey Cordero) - Marines with Marine Attack Squadron 211, out of the Marine Corps Air Station in Yuma, Ariz., mount an AIM-120 advanced medium-range air-to-air missile onto the wing of an AV-8B Harrier June 8, 2009, at Kadena Air Base in Okinawa, Japan. The squadron became the first Marine unit to launch the AMRAAM from a Harrier. VMA-211 is currently deployed with the 31st Marine Expeditionary Unit and is participating in Exercise Talisman Saber in Australia.(Photo by Lance Cpl. Jeffrey Cordero)

Cpl. Thomas Mango, left, and Staff Sgt. Darrin Minderman practice turning at Fortuna Wash in Yuma, Ariz., on June 17, 2009, during the first basic all-terrain vehicle riders course held by the safety department at the Marine Corps Air Station in Yuma. The course taught Marines who ride ATVs techniques to improve their riding abilities as well as how to lessen their impact to the environment. - Cpl. Thomas Mango, left, and Staff Sgt. Darrin Minderman practice turning at Fortuna Wash in Yuma, Ariz., on June 17, 2009, during the first basic all-terrain vehicle riders course held by the safety department at the Marine Corps Air Station in Yuma. The course taught Marines who ride ATVs techniques to improve their riding abilities as well as how to lessen their impact to the environment.

According to Marine Administrative Message 312/09, officers and staff noncommissioned officers in uniform are no longer required to present identification when buying alcohol, tobacco or cashing checks at military exchanges. - According to Marine Administrative Message 312/09, officers and staff noncommissioned officers in uniform are no longer required to present identification when buying alcohol, tobacco or cashing checks at military exchanges.

Cpl. Joseph Clinton, military policeman, searches role-player Sgt. Brent Durrant after apprehending him during a hostage simulation in a training house June 2, 2009, at the Marine Corps Air Station in Yuma, Ariz. The exercise, which included the use of nonlethal live ammunition, was designed to improve the officers' tactics and confidence in shootouts. - Cpl. Joseph Clinton, military policeman, searches role-player Sgt. Brent Durrant after apprehending him during a hostage simulation in a training house June 2, 2009, at the Marine Corps Air Station in Yuma, Ariz. The exercise, which included the use of nonlethal live ammunition, was designed to improve the officers' tactics and confidence in shootouts.

Sgt. Maj. V. Higgins, Marine Aircraft Group 13 sergeant major, receives the guidon for the Marine Corps Aviation Association’s Tom Miller Squadron from Col. Gary Thomas, center, at the Sonoran Pueblo at the Marine Corps Air Station in Yuma, Ariz., June 3, 2009. Col. Clyde M. Woltman, left, relinquished command of the squadron to Thomas. (Photo by Cpl. Laura A. Mapes) - Sgt. Maj. V. Higgins, Marine Aircraft Group 13 sergeant major, receives the guidon for the Marine Corps Aviation Association’s Tom Miller Squadron from Col. Gary Thomas, center, at the Sonoran Pueblo at the Marine Corps Air Station in Yuma, Ariz., June 3, 2009. Col. Clyde M. Woltman, left, relinquished command of the squadron to Thomas. (Photo by Cpl. Laura A. Mapes)