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, Calif., Feb. 24. - 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, Calif., Feb. 24.