In the late 1950s and 1960s, the X-15 pushed the limits of speed and altitude like no aircraft before it. Born under NACA and ...
A. Scott Crossfield Papers, Accession number 2006-0041, National Air and Space Museum, Smithsonian Institution. A. Scott Crossfield Papers, Acc. 2006-0041, National ...
A, the unmanned experimental aircraft that holds the world record for the fastest flight by an air-breathing jet. -As part of ...