NASA pilots Milton O. Thompson, William H. "Bill" Dana, and John B. "Jack" McKay are seen here in front of the #2 X-15 (56-6671) rocket-powered research aircraft.
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NASA pilots Milton O. Thompson, William H. “Bill” Dana, and John B. “Jack” McKay are seen here in front of the #2 X-15 (56-6671) rocket-powered research aircraft. Among them, the three NASA research pilots made 59 flights in the X-15 (14 for Thompson, 16 for Dana, and 29 for McKay).1966NASA photo› X-15 Project Description