Donovan Graddy, a civilian metal roof installer, guides a rafter for the canopy of the fill stand used for fueling up the trucks in the 23d Logistics Readiness Squadron (LRS) fuel yard, July 18, 2018, at Moody Air Force Base, Ga. For the first time since the 1950s, the 23d LRS is modernizing the yard to improve fuel efficiency to enhance operations. (U.S. Air Force photo by Airman 1st Class Erick Requadt)