A paratrooper deployed in support of Operation Freedom's Sentinel ensures the lights stay on and the power flows at a remote base in Southern Afghanistan.Spc. Sarah Acosta, a Tactical Power Generation Specialist from Sinton, Texas, ensures a remote base in Uruzgan Province, Afghanistan stays powered.Assigned to Company F, 3rd Battalion, 319th Airborne Field Artillery Regiment, Acosta's duties include the repair and maintenance of generators on the base along with ensuring their safe operation.