X-15 Flight 91
Original archive entry. The text, images and links below are kept as they were written.

Credit: NASA
Unofficial world altitude record. Maximum Speed - 6105 kph. Maximum Altitude - 107960 m. Second X-15 astronaut flight (FAI definition); fifth astronaut wings flight (USAF definition).
More at: X-15 Flight 91.
Related
- Family
- Manned spaceflight
- People
- Walker, Joseph
- Launch Vehicles
- X-15