Alejandro Soto, 100th Force Support Squadron auto hobby shop technician from McFarland, Calif., funnels fresh oil into a vehicle’s oil tank Aug. 13, 2014, at the auto hobby shop on RAF Mildenhall, England. It’s very important to make regular oil changes in order to prolong the life of an engine, maintain the efficiency of the vehicle and control emissions. (U.S. Air Force photo/Gina Randall/Released)