Petroleum, oil, and lubricants fuels distribution specialists from the 4th Logistics Readiness Squadron refuel R-11 refueling trucks, March 16, 2016, at Seymour Johnson Air Force Base, North Carolina. POL distributes approximately 1 million gallons of fuel per week for the 4th Operations Group F-15E Strike Eagles to maintain their flight schedule. (U.S. Air Force photo/Airman 1st Class Ashley Williamson)