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
Sukhoi PAK FA - Next Generation lightweight fighter, aircraf quinta generación desarrollado por Sukhoi.
These are probably the best Raptor air-to-air images we have ever seen!
This is where the slick photos of military jets come from - The Washington Post Raptors at Hickam AFB, Hawaii