Airmen assigned to the 379th Expeditionary Logistics Readiness Squadron, connect a fuel hose to a fuel hydrant on the flight line at Al Udeid Air Base, Qatar, Jan. 23, 2018. The 379 ELRS uses a R-12 fuel truck to fuel a KC-135 Stratotanker assigned to the 340th Expeditionary Air Refueling Squadron. The tankers are responsible for delivering two-thirds of all fuel to airborne receivers in the U.S. Central Command’s area of responsibility. (U.S. Air National Guard photo by Master Sgt. Phil Speck)