United States Air ForceThor DM-21 Agena-BSpace Launch Complex 1W, Vandenberg SFB, CA, USA
KH-4 3
Launched
April 29, 1962
Image: USAF
Summary
KH-4 3 launched on an United States Air Force Thor DM-21 Agena-B from Space Launch Complex 1W, Vandenberg SFB, CA, USA on April 29, 1962. It was United States Air Force's 85th launch, 14th this year and humanity's 163rd orbital launch attempt. It was the 26th Thor DM-21 Agena-B flight and the 5th this year. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Vehicle
- Thor DM-21 Agena-B · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 26th Thor DM-21 Agena-B flight · 5th this yearUnited States Air Force's 85th launch14th this yearhumanity's 163rd orbital launch attempt21st orbital launch attempt this year
Flight preview
About this launch
The KH-4 (Keyhole-4) was fourth version in the Corona-program to build an optical reconnaissance satellite.
Pad

Space Launch Complex 1W, Vandenberg SFB, CA, USA
22nd launch from Space Launch Complex 1W, 3rd this year · 53rd from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
60 days after the previous launch from this pad
Questions
When did KH-4 3 launch?
KH-4 3 launched on April 29, 1962. The time is known to the hour, not the minute.
Where can I watch KH-4 3?
No webcast is on record for this launch.
What rocket launched KH-4 3?
Thor DM-21 Agena-B, flown by United States Air Force. Thor DM-21 Agena-B spec sheet
Where did KH-4 3 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit was KH-4 3 going to?
Low Earth Orbit (LEO), a government/top secret mission.
