January 13, 2011 USN R3Y TRADEWIND AIRPLANE RECOGNITION TRAINING PHOTO CIRCA 1950 http://upload.wikimedia.org/wikipedia/commons/c/c7/R3Y_Tradewind_refuelling.jpg The McDonnell F3H Demon was a subsonic swept-wing United States Navy carrier-based jet fighter aircraft . After severe problems with Westinghouse J40 engine that was ultimately abandoned, the successor to the F2H Banshee served starting in 1956 redesigned