National Security Journal on MSN

The X-15 Hit Mach 6.7 and Put Every Military on Earth On Notice

In 1967, USAF Major “Pete” Knight set a world speed record that remains “unbroken” 68 years later. -Flying the X-15A-2 rocket ...
The National Interest

The U.S. Air Force Went to Space on the North American X-15

The X-15 is the only conventional aircraft that has ever been flown above the “Karman Line” separating the Earth’s atmosphere from space. The Neil Armstrong biopic, First Man, starring Ryan Gosling as ...
insider.si.edu

National Aeronautics and Space Administration X-15 Transparency Collection

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 ...
insider.si.edu

[North American X-15 launching Blue Scout Rocket Vehicle]

CC0 Usage Conditions ApplyClick for more information. Material is subject to Smithsonian Terms of Use. Should you wish to use NASM material in any medium, please ...