Over the rainbow. An Raptor pulling so many Gs, the low pressure air over the fuselage gets cold enough for the water to condense. The angle is just right for sunlight to make rainbow colors around the airplane
The Bugatti Model 100 was a purpose built air racer designed to compete in the 1939 Deutsch de la Meurthe Cup Race. The aircraft was not completed by the September 1939 deadline and was put in storage prior to the German invasion of France.