Marine Wing Support Squadron 374 heavy equipment operators remove dirt from and level an unmanned aircraft system runway at the Chocolate Mountain Aerial Gunnery Range in Calif., Sept. 21, 2009. The runway, which was the first built for UASs on the ranges of the Marine Corps Air Station in Yuma, Ariz., will open up new training opportunities for UASs visiting for the Weapons and Tactics Instructor course. Marine Unmanned Aerial Vehicle Squadron 1 will be the first squadron to use the runway during their training in the current WTI. - Marine Wing Support Squadron 374 heavy equipment operators remove dirt from and level an unmanned aircraft system runway at the Chocolate Mountain Aerial Gunnery Range in Calif., Sept. 21, 2009. The runway, which was the first built for UASs on the ranges of the Marine Corps Air Station in Yuma, Ariz., will open up new training opportunities for UASs visiting for the Weapons and Tactics Instructor course. Marine Unmanned Aerial Vehicle Squadron 1 will be the first squadron to use the runway during their training in the current WTI.

Cpl. Geoffrey Heard, Marine Aviation Logistics Squadron 13 cryogenics technician, freezes water on the ground with liquid nitrogen for quality testing at the cryogenics lab at the Marine Corps Air Station in Yuma, Ariz., Aug. 27, 2009. - Cpl. Geoffrey Heard, Marine Aviation Logistics Squadron 13 cryogenics technician, freezes water on the ground with liquid nitrogen for quality testing at the cryogenics lab at the Marine Corps Air Station in Yuma, Ariz., Aug. 27, 2009.

Retired Gunnery Sgt. Chuck Bekay Bauer, left, and Larry Yanez, a local musician, play Navajo music next to a display honoring Navajo code talkers of World War II at the Yuma Art Center in Yuma, Ariz., Sept. 18, 2009. The center will display a photographic exhibit honoring the Navajo code talkers until Oct. 3, 2009. The exhibit is sponsored by the Circle of Light Navajo Education Project and includes more than 33 photographs that detail the history of the code talkers and their many accomplishments. - Retired Gunnery Sgt. Chuck Bekay Bauer, left, and Larry Yanez, a local musician, play Navajo music next to a display honoring Navajo code talkers of World War II at the Yuma Art Center in Yuma, Ariz., Sept. 18, 2009. The center will display a photographic exhibit honoring the Navajo code talkers until Oct. 3, 2009. The exhibit is sponsored by the Circle of Light Navajo Education Project and includes more than 33 photographs that detail the history of the code talkers and their many accomplishments.

Kenny Ausdemore, sheet metal mechanic, reinforces the frame of an AV-8B Harrier in the Fleet Readiness Center hangar at the Marine Corps Air Station in Yuma, Ariz., Sept. 16, 2009. The FRC performs preventative maintenance inspections, as well as major modifications to structural and electrical systems on aircraft beyond what a squadron’s maintenance personnel are trained to do. The thirty-man crew is scheduled to work more than 48,000 hours this year. - Kenny Ausdemore, sheet metal mechanic, reinforces the frame of an AV-8B Harrier in the Fleet Readiness Center hangar at the Marine Corps Air Station in Yuma, Ariz., Sept. 16, 2009. The FRC performs preventative maintenance inspections, as well as major modifications to structural and electrical systems on aircraft beyond what a squadron’s maintenance personnel are trained to do. The thirty-man crew is scheduled to work more than 48,000 hours this year.

Marines from Marine Wing Support Squadron 371 disembark from a commercial airliner Sept. 7, 2009, after returning to the Marine Corps Air Station in Yuma Ariz., from a seven-month deployment to Afghanistan. While on deployment, MWSS-371 provided aviation ground support, as well as logistics and engineering support to Marine Aircraft Group 40. The squadron constructed the largest aluminum matting airfield project in a combat zone when they built a 2.2 million square foot helicopter parking expansion at Camp Bastion, said Lt. Col. David Jones, MWSS-371 commanding officer. - Marines from Marine Wing Support Squadron 371 disembark from a commercial airliner Sept. 7, 2009, after returning to the Marine Corps Air Station in Yuma Ariz., from a seven-month deployment to Afghanistan. While on deployment, MWSS-371 provided aviation ground support, as well as logistics and engineering support to Marine Aircraft Group 40. The squadron constructed the largest aluminum matting airfield project in a combat zone when they built a 2.2 million square foot helicopter parking expansion at Camp Bastion, said Lt. Col. David Jones, MWSS-371 commanding officer.

Marine Attack Squadron 211 and Marine Aviation Logistics Squadron 13 Marines march to VMA-211's hangar at the Marine Corps Air Station in Yuma, Ariz., Aug. 29, 2009, after a seven-month deployment aboard the USS Essex. The 80 Yuma Marines served with the 31st Marine Expeditionary Unit, providing offensive air support, reconnaissance and limited air defense during multinational training exercises. - Marine Attack Squadron 211 and Marine Aviation Logistics Squadron 13 Marines march to VMA-211's hangar at the Marine Corps Air Station in Yuma, Ariz., Aug. 29, 2009, after a seven-month deployment aboard the USS Essex. The 80 Yuma Marines served with the 31st Marine Expeditionary Unit, providing offensive air support, reconnaissance and limited air defense during multinational training exercises.