Senior Airman Brett Caske, a petroleum, oil and lubricants specialist from the 927th Logistics Readiness Squadron, MacDill Air Force base, Florida, prepares to deliver fuel. Citizen Airmen from the 927 LRS, traveled to Spangdahlem Air Base, Germany, to perform their annual training, July 7-23, 2017. (U.S. Air Force photo by Tech. Sgt. Peter Dean)