Kerry Eaton, tractor operator, has worked moving heavy equipment for the Yermo Annex, Marine Corps Logistics Base Barstow, Calif. for 10 years. She is one of eight women heavy equipment operators currently on base. She is hooking up a truck to be moved for repairs. - Kerry Eaton, tractor operator, has worked moving heavy equipment for the Yermo Annex, Marine Corps Logistics Base Barstow, Calif. for 10 years. She is one of eight women heavy equipment operators currently on base. She is hooking up a truck to be moved for repairs.