United States Air ForceAtlas SLV-3A Agena DSpace Launch Complex 13, Cape Canaveral SFS, FL, USA
Canyon 4
Launched
December 4, 1971
Image: USAF
Summary
Canyon 4 launched on an United States Air Force Atlas SLV-3A Agena D from Space Launch Complex 13, Cape Canaveral SFS, FL, USA on December 4, 1971. The mission failed. It was United States Air Force's 562nd launch, 26th this year and humanity's 1,291st orbital launch attempt. It was the 6th Atlas SLV-3A Agena D flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO).
- Watch
- No webcast on record.
- Vehicle
- Atlas SLV-3A Agena D · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Orbit (Direct-GEO)
- Milestone
- 6th Atlas SLV-3A Agena D flight · 1st this yearUnited States Air Force's 562nd launch26th this yearhumanity's 1,291st orbital launch attempt120th orbital launch attempt this year
Flight preview
About this launch
Canyon was the first series of NRO's near geostationary ELINT/SIGINT satellites launched under the designation AFP-827 or Program 7500 for NRO's Program A. They were focussed on communications intelligence (COMINT).
Pad
Space Launch Complex 13, Cape Canaveral SFS, FL, USA
15th launch from Space Launch Complex 13, 1st this year · 261st from Cape Canaveral SFS, FL, USA
21 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
459 days after the previous launch from this pad
Questions
When did Canyon 4 launch?
Canyon 4 launched on December 4, 1971. The time is known to the hour, not the minute.
Where can I watch Canyon 4?
No webcast is on record for this launch.
What rocket launched Canyon 4?
Atlas SLV-3A Agena D, flown by United States Air Force. Atlas SLV-3A Agena D spec sheet
Where did Canyon 4 launch from?
Space Launch Complex 13, Cape Canaveral SFS, FL, USA.
What orbit was Canyon 4 going to?
Geostationary Orbit (Direct-GEO), a government/top secret mission.