The 60th Civil Engineering Squadron Group at Travis AFB, California is looking for vendors/contractors that can provide Sheep Grazing Services to manage vegetation through prescribed grazing, reduce h... The 60th Civil Engineering Squadron Group at Travis AFB, California is looking for vendors/contractors that can provide Sheep Grazing Services to manage vegetation through prescribed grazing, reduce hazardous fuel loads for wildfire mitigation, and suppress the growth of invasive plant species across the installation.