United States Air ForceThor Agena ASpace Launch Complex 1W, Vandenberg SFB, CA, USA
Discoverer 3
Launched
June 3, 1959
Image: USAF
Summary
Discoverer 3 launched on an United States Air Force Thor Agena A from Space Launch Complex 1W, Vandenberg SFB, CA, USA on June 3, 1959. The mission failed. It was United States Air Force's 3rd launch, 3rd this year and humanity's 38th orbital launch attempt. It was the 3rd Thor Agena A flight. The payload was bound for Polar Orbit (PO).
- Watch
- No webcast on record.
- Vehicle
- Thor Agena A · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Polar Orbit (PO)
- Milestone
- 3rd Thor Agena A flightUnited States Air Force's 3rd launch3rd this yearhumanity's 38th orbital launch attempt7th orbital launch attempt this year
Flight preview
About this launch
The Discoverer 3 reconnaissance satellite failed to reach orbit due to a failure of the Agena A upper stage.
Pad

Space Launch Complex 1W, Vandenberg SFB, CA, USA
3rd launch from Space Launch Complex 1W, 3rd this year · 3rd from Vandenberg SFB, CA, USA
56 launches from this pad · 919 from Vandenberg SFB, CA, USA
50 days after the previous launch from this pad
Questions
When did Discoverer 3 launch?
Discoverer 3 launched on June 3, 1959. The time is known to the hour, not the minute.
Where can I watch Discoverer 3?
No webcast is on record for this launch.
What rocket launched Discoverer 3?
Thor Agena A, flown by United States Air Force. Thor Agena A spec sheet
Where did Discoverer 3 launch from?
Space Launch Complex 1W, Vandenberg SFB, CA, USA.
What orbit was Discoverer 3 going to?
Polar Orbit (PO), a government/top secret mission.
