A U.S. Air Force KC-10 Extender refuels U.S. Air Force A-10 Warthogs over Southwest Asia in support of Operation Inherent Resolve. The KC-10 is an aerial refueling tanker aircraft – the military version of the three-engined DC-10 airliner operated by the USAF.
![](http://www.aiirsource.com/wp/wp-content/uploads/2015/09/kc-10-tanker-air-refueling-a-10-1280x768.jpg)