United States Air ForceThor DM-21 Agena-BSpace Launch Complex 1E, Vandenberg SFB, CA, USA
KH-4 2
Launched
April 18, 1962
Image: USAF
Summary
KH-4 2 launched on an United States Air Force Thor DM-21 Agena-B from Space Launch Complex 1E, Vandenberg SFB, CA, USA on April 18, 1962. It was United States Air Force's 81st launch, 10th this year and humanity's 156th orbital launch attempt. It was the 25th Thor DM-21 Agena-B flight and the 4th 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
- 25th Thor DM-21 Agena-B flight · 4th this yearUnited States Air Force's 81st launch10th this yearhumanity's 156th orbital launch attempt14th 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 1E, Vandenberg SFB, CA, USA
16th launch from Space Launch Complex 1E, 2nd this year · 50th from Vandenberg SFB, CA, USA
45 launches from this pad · 919 from Vandenberg SFB, CA, USA
55 days after the previous launch from this pad
Questions
When did KH-4 2 launch?
KH-4 2 launched on April 18, 1962. The time is known to the hour, not the minute.
Where can I watch KH-4 2?
No webcast is on record for this launch.
What rocket launched KH-4 2?
Thor DM-21 Agena-B, flown by United States Air Force. Thor DM-21 Agena-B spec sheet
Where did KH-4 2 launch from?
Space Launch Complex 1E, Vandenberg SFB, CA, USA.
What orbit was KH-4 2 going to?
Low Earth Orbit (LEO), a government/top secret mission.
