to attack a beach landing. they succeeded ariel photography was a guaranteed source of init el against. >> it required a special aircraft. >> it had blue camouflage which was the paint used to make it almost invisible at 30,000 feet in the sky. >> 300 layers of camouflage paint. it was the fast errs aircraft in the world in those days. >> the germans would have wondered why we were flying the normandy beaches and only the normandy beaches so they flew from spain to germany and built their defenses along the coast. these were huge gun pbatteries trenches and gun post. we needed to know where they were. >> we had maps and aerial photographs of the entire area.