Decades before the rumored SR-72 "Darkstar," America had already conquered hypersonic flight with the X-15 rocket plane. -In 1967, this remarkable experimental aircraft, developed by North American ...

North American hired him as an engineer in 1946 and he was with the company for more than 25 years during which time he worked on many aircraft including the North American F-86 Sabre, X-15, XB-70A ...