U.S. Air Force Senior Airman Jennifer Barnett, 18th Logistics Readiness Squadron fuels hydrants operator, explains an R-12 gas truck’s functions to Japan Air Self-Defense Force members during their visit to Kadena Air Base, Okinawa, Japan, Feb. 10, 2015. Twenty-six JASDF members visited from the 151th Basic Supply Course, 3rd Technical School, Ashiya Base, Fukuoka, to learn the U.S. Air Force side of supply system. (U.S. Air Force photo by Naoto Anazawa)