United States Air ForceThor DM-21 Agena-BSpace Launch Complex 1W, Vandenberg SFB, CA, USA
Discoverer 18
Launched
December 7, 1960
Image: USAF
Summary
Discoverer 18 launched on an United States Air Force Thor DM-21 Agena-B from Space Launch Complex 1W, Vandenberg SFB, CA, USA on December 7, 1960. It was United States Air Force's 36th launch, 25th this year and humanity's 90th orbital launch attempt. It was the 3rd Thor DM-21 Agena-B flight. 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
- 3rd Thor DM-21 Agena-B flightUnited States Air Force's 36th launch25th this yearhumanity's 90th orbital launch attempt36th orbital launch attempt this year
Flight preview
About this launch
Discoverer 18 was an American optical reconnaissance satellite. This was the first successful mission employing the KH-2 camera system
Pad

Space Launch Complex 1W, Vandenberg SFB, CA, USA
10th launch from Space Launch Complex 1W, 5th this year · 19th from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
41 days after the previous launch from this pad
Questions
When did Discoverer 18 launch?
Discoverer 18 launched on December 7, 1960. The time is known to the hour, not the minute.
Where can I watch Discoverer 18?
No webcast is on record for this launch.
What rocket launched Discoverer 18?
Thor DM-21 Agena-B, flown by United States Air Force. Thor DM-21 Agena-B spec sheet
Where did Discoverer 18 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit was Discoverer 18 going to?
Low Earth Orbit (LEO), a government/top secret mission.
