Relaxing Video of Big US Cargo Aircraft During Air Refueling: C-17 Globemaster, KC-135br br Militarybr Defensebr vehiclebr airplanebr airplane cargobr c-17 globemaster iiibr boeing c-17 globemaster iiibr kc-135br kc-135 refuelingbr air refueling videobr air refuelingbr air refueling cockpitbr c-17 military cargo planebr plane videobr big planebr big jet planesbr jet planes