During a preflight checkout of X-15 #3, a ground crewman writes in the frost covering its underside "250,000 OR NO ICE CREAM."
During a preflight checkout of X-15 #3, a ground crewman writes in the frost covering its underside “250,000 OR NO ICE CREAM.” Maj. Robert White reached only 246,700 feet.USAF Photo
E-USAF-X-15