Senior Airman Matthew Ronan, 512th Logistics Readiness Squadron Petroleum Oil and Lubricants distribution operator, Dover Air Force Base, Delaware, records fuel and gauge numbers after refueling an F-16 Fighting Falcon, July 19, 2017, at Aviano Air Base, Italy. Air Force reservists assigned to the 512th LRS, Dover AFB, Delaware, joined the 31st LRS for two weeks of distance training at Aviano. (U.S. Air Force photo by Senior Airman Cary Smith)