An F-35 Lightning II simulates an aerial refuelling by a KC-130J aircraft during its first appearance at the Farnborough Air Show on Tuesday 12th July 2016. (Fiona Hanson/AP/Pratt & Whitney)

US Air Force Significantly Increases Involvement In Saudi War In Yemen

New data from the Air Force showed a 50% increase in the number of in-air refueling sorties US planes have flown in the past year.