United States Air ForceThor DM-21 Agena-BSpace Launch Complex 1W, Vandenberg SFB, CA, USA
KH-4 1
Launched
February 27, 1962
Image: USAF
Summary
KH-4 1 launched on an United States Air Force Thor DM-21 Agena-B from Space Launch Complex 1W, Vandenberg SFB, CA, USA on February 27, 1962. It was United States Air Force's 77th launch, 6th this year and humanity's 149th orbital launch attempt. It was the 24th Thor DM-21 Agena-B flight and the 3rd 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
- 24th Thor DM-21 Agena-B flight · 3rd this yearUnited States Air Force's 77th launch6th this yearhumanity's 149th orbital launch attempt7th 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
21st launch from Space Launch Complex 1W, 2nd this year · 47th from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
44 days after the previous launch from this pad
Questions
When did KH-4 1 launch?
KH-4 1 launched on February 27, 1962. The time is known to the hour, not the minute.
Where can I watch KH-4 1?
No webcast is on record for this launch.
What rocket launched KH-4 1?
Thor DM-21 Agena-B, flown by United States Air Force. Thor DM-21 Agena-B spec sheet
Where did KH-4 1 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit was KH-4 1 going to?
Low Earth Orbit (LEO), a government/top secret mission.
