Edwards F-22 Raptor performs aerial refueling using synthetic fuel
The F-22 Combined Test Force reached another milestone as an Edwards F-22 Raptor performed aerial refueling using a synthetic fuel -- the first time an Air Force aircraft refueled mid-air using an alternative jet engine fuel.

The test was the culmination of Edwards test points in certifying the F-22's use of the fuel -- a 50/50 mix of JP-8 jet fuel and a natural gas-based fuel.
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