Heavy Mobile Equipment mechanics work together with mechanics from the original equipment manufacturer, Flyer Defense, to learn every aspect of maintenance and repair of the Special Operations' Ground Mobility Vehicle at Production Plant Barstow, Marine Depot Maintenance Command, aboard the Yermo annex of Marine Corps Logistics Base Barstow, California, Feb. 24. The team of artisans are gearing up to take over the upkeep of the GMVs, boosting production at the plant, and becoming Special operations' Depot Source of Repair. - Heavy Mobile Equipment mechanics work together with mechanics from the original equipment manufacturer, Flyer Defense, to learn evey aspect of maintenance and repair of the Marine Depot Maintenance Command, Heavy Mobile Equipment mechanics of Marine Depot Maintenance Command, Production Plant Barstow, work together with the original equipment manufacturer, Flyer Defense, to learn every aspect of maintenance and repair for the Special Operations’ Ground Mobility Vehicle. The team of artisans are gearing up to take over the upkeep of the GMVs, boosting production at the plant, and becoming Special Operations’ Depot Source of Repair. Yermo Annex, Marine Corps Logistics Base Barstow, California, Feb. 24.