United States Air ForceAtlas SLV-3Space Launch Complex 3E, Vandenberg SFB, CA, USA
PRIME 3
Launched
April 20, 1967
Summary
PRIME 3 launched on an United States Air Force Atlas SLV-3 from Space Launch Complex 3E, Vandenberg SFB, CA, USA on April 20, 1967. It was United States Air Force's 390th launch and 18th this year. It was the 4th Atlas SLV-3 flight and the 2nd this year. The payload was bound for Suborbital (Sub).
- Watch
- No webcast on record.
- Vehicle
- Atlas SLV-3 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Test Flight · Suborbital (Sub)
- Milestone
- 4th Atlas SLV-3 flight · 2nd this yearUnited States Air Force's 390th launch18th this year
Flight preview
About this launch
The Martin X-23 PRIME (Precision Recovery Including Maneuvering Entry) was a small uncrewed lifting body re-entry vehicle tested by the United States Air Force in the late 1960s. PRIME 3 mission was flown on 19 April 1967 and simulated reentry from low-earth orbit with a 1143 km cross-range. This time, all systems performed perfectly, and the X-23 was successfully recovered.
Pad

Space Launch Complex 3E, Vandenberg SFB, CA, USA
15th launch from Space Launch Complex 3E, 2nd this year · 256th from Vandenberg SFB, CA, USA
48 launches from this pad · 919 from Vandenberg SFB, CA, USA
45 days after the previous launch from this pad
Questions
When did PRIME 3 launch?
PRIME 3 launched on April 20, 1967. The time is known to the hour, not the minute.
Where can I watch PRIME 3?
No webcast is on record for this launch.
What rocket launched PRIME 3?
Atlas SLV-3, flown by United States Air Force. Atlas SLV-3 spec sheet
Where did PRIME 3 launch from?
Space Launch Complex 3E, Vandenberg SFB, CA, USA.
What orbit was PRIME 3 going to?
Suborbital (Sub), a test flight mission.