Curtiss Warhawk - the plane renowned for it's duty flights in China with the Flying Tigers squadron. The Warhawk was used by most Allied powers during World War II, and remained in frontline service until the end of the war.
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