U.S. Marines with Marine Aviation Logistics Squadron (MALS) 13, marine aviation maintenance, conduct routine maintenance and inspections on gear and equipment on Marine Corps Air Station Yuma, Ariz., Nov. 20, 2019. MALS-13 is a tenant squadron aboard MCAS Yuma who's mission is to provide aviation support, guidance, and direction to the Marine Aircraft Group Squadrons. (U.S. Marine Corps photo by Lance Cpl John Hall) - U.S. Marines with Marine Aviation Logistics Squadron (MALS) 13, marine aviation maintenance, conduct routine maintenance and inspections on gear and equipment on Marine Corps Air Station Yuma, Ariz., Nov. 20, 2019.

Left: Debi Mustain, the Coyote Ranch assistant troop committee coordinator and a native of Yuma, Ariz., and Peggy Munger, the Coyote Ranch troop committee coordinator and a native of Yuma, Ariz., proudly display some of the photos of deployed Marines at Coyote Ranch Yuma, Ariz., May 20. - Left: Debi Mustain, the Coyote Ranch assistant troop committee coordinator and a native of Yuma, Ariz., and Peggy Munger, the Coyote Ranch troop committee coordinator and a native of Yuma, Ariz., proudly display some of the photos of deployed Marines at Coyote Ranch Yuma, Ariz., May 20.

On Feb. 11, Sgt. Maj. Robert Pullen relinquished his duties as acting sergeant major of Yuma-based Marine Aviation Logistics Squadron 13 to his successor Sgt. Maj. Lonny Solari during a relief and appointment ceremony at the parade deck at Marine Corps Air Station Yuma. The passing of a ceremonial NCO sword signifies the transfer of sacred trust from one sergeant major to another. - On Feb. 11, Sgt. Maj. Robert Pullen relinquished his duties as acting sergeant major of Yuma-based Marine Aviation Logistics Squadron 13 to his successor Sgt. Maj. Lonny Solari during a relief and appointment ceremony at the parade deck at Marine Corps Air Station Yuma. The passing of a ceremonial NCO sword signifies the transfer of sacred trust from one sergeant major to another.