United States Air ForceThor Agena ASpace Launch Complex 1W, Vandenberg SFB, CA, USA
Discoverer 12
Launched
June 29, 1960
Image: USAF
Summary
Discoverer 12 launched on an United States Air Force Thor Agena A from Space Launch Complex 1W, Vandenberg SFB, CA, USA on June 29, 1960. The mission failed. It was United States Air Force's 22nd launch, 11th this year and humanity's 69th orbital launch attempt. It was the 12th Thor Agena A flight and the 4th this year. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Vehicle
- Thor Agena A · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 12th Thor Agena A flight · 4th this yearUnited States Air Force's 22nd launch11th this yearhumanity's 69th orbital launch attempt15th orbital launch attempt this year
Flight preview
About this launch
Discoverer 12 was an American optical reconnaissance satellite. The fourth of five test flights of the Corona KH-1 spy satellite series. It was lost when the second stage failed during launch.
Pad

Space Launch Complex 1W, Vandenberg SFB, CA, USA
7th launch from Space Launch Complex 1W, 2nd this year · 12th from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
146 days after the previous launch from this pad
Questions
When did Discoverer 12 launch?
Discoverer 12 launched on June 29, 1960. The time is known to the hour, not the minute.
Where can I watch Discoverer 12?
No webcast is on record for this launch.
What rocket launched Discoverer 12?
Thor Agena A, flown by United States Air Force. Thor Agena A spec sheet
Where did Discoverer 12 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit was Discoverer 12 going to?
Low Earth Orbit (LEO), a government/top secret mission.
