United States Air ForceNorth American X-15Edwards Air Force Base, Air launch to Suborbital flight
Flight 91
Launched
August 22, 1963
Summary
Flight 91 launched on an United States Air Force North American X-15 from Edwards Air Force Base, Air launch to Suborbital flight on August 22, 1963. It was United States Air Force's 158th launch and 32nd this year. It was the 5th North American X-15 flight and the 4th this year. The payload was bound for Suborbital (Sub). One crew member flew: Joseph A. Walker. The spacecraft was X-15-3 (56-6672).
- Watch
- No webcast on record.
- Vehicle
- North American X-15 · United States Air ForceX-15
- Booster
- No booster details on record.
- Mission
- Test Flight · Suborbital (Sub)
- Milestone
- 5th North American X-15 flight · 4th this yearUnited States Air Force's 158th launch32nd this year
Crew
Joseph A. WalkerPilot · NASA · age 42 · 3rd flight
Spacecraft
X-15-3 (56-6672)
Third X-15 experimental rocket plane. Destroyed during flight 191.
- Destination: Suborbital
- Mission length: under an hour
The X-15 aircraft successfully landed after this flight.
Flight preview
About this launch
X-15 Flight 91 was a 1963 American crewed mission, and the second and final flight in the program to achieve sub-orbital spaceflight—a flight over 100 km in altitude. It was the highest flight of the X-15 program.
Pad

Edwards Air Force Base, Air launch to Suborbital flight
5th launch from Edwards Air Force Base, 4th this year · 11th from Air launch to Suborbital flight
13 launches from this pad · 86 from Air launch to Suborbital flight
33 days after the previous launch from this pad
All launches from Air launch to Suborbital flightOpen in maps
Questions
When did Flight 91 launch?
Flight 91 launched on August 22, 1963. The time is known to the hour, not the minute.
Where can I watch Flight 91?
No webcast is on record for this launch.
What rocket launched Flight 91?
North American X-15, flown by United States Air Force. North American X-15 spec sheet
Where did Flight 91 launch from?
Edwards Air Force Base, Air launch to Suborbital flight.
What orbit was Flight 91 going to?
Suborbital (Sub), a test flight mission.
Which program is Flight 91 part of?
X-15. About X-15
![[AUTO] North American X-15 - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fnorth_american__image_20210813101104.png&w=1600)