The Air Force and Pratt & Whitney are very close to determining the root cause of an F-35 engine fire that occurred two months ago and next week will begin to test a near-term solution the service hopes will prevent delays to upcoming milestones. Lt. Gen. Christopher Bogdan, the Air Force's F-35 program executive officer, said during a Sept. 3 event in Washington that the service has in the last two months narrowed the potential cause of the engine fire...
