Staff Sgt. Robert Porter, a fuels specialist with the 127th Logistics Readiness Squadron, 127th Wing, supports A-10 Thunderbolt II aircraft operations at Nellis Air Force Base, Nevada, April 12, 2021. Airmen from the 127th Wing are participating in Green Flag-West, a Joint Force combat exercise, to ensure maximum combat readiness. (U.S. Air National Guard photo by Master Sgt. Dan Heaton)