IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This collection consists of two items ...

-Air-launched from a B-52, the X-15 reached a record-breaking speed of Mach 6.7 and flew high enough to earn astronaut wings for eight of its pilots. -While never intended as a weapon, the X-15 was a ...

On June 8, 1959, NASA's rocket-powered X-15 experimental plane made its first glide flight. The X-15 rocket plane was part of a series of experimental hypersonic aircraft. This flight marked the ...

Click to open image viewer. [NASM2006-12828] 70mm glass-mounted slides from the collection North American X-15 Glass-Mounted Color Transparencies (NASA), NASM.2006.0050. Photo by Mark Avino. CC0 Usage ...

On Aug. 22, 1963, U.S. Air Force Captain Joe Walker flew an X-15 space plane higher than any pilot had ever flown before. Walker reached an altitude of over 67 miles (108 kilometers). That's about 5 ...