On November 3, 1965, Major Robert Rushworth made the first flight of the modified X-15A-2 rocketplane, reaching Mach 2.31 ...

The first 50 years of powered human flight were marked by a desire to always go faster and higher. At first, the daredevils—be they racers or barnstormers—drove this. By the end of the 1930s, however, ...

A. Scott Crossfield Papers, Accession number 2006-0041, National Air and Space Museum, Smithsonian Institution. A. Scott Crossfield Papers, Acc. 2006-0041, National ...