United States Air ForceTitan 33BSpace Launch Complex 4W, Vandenberg SFB, CA, USA
Jumpseat 1
Launched
March 21, 1971
Summary
Jumpseat 1 launched on an United States Air Force Titan 33B from Space Launch Complex 4W, Vandenberg SFB, CA, USA on March 21, 1971. It was United States Air Force's 543rd launch, 7th this year and humanity's 1,196th orbital launch attempt. It was the 1st Titan 33B flight. The payload was bound for Elliptical Orbit (Elliptical). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Titan 33B · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Elliptical Orbit (Elliptical)
- Milestone
- 1st Titan 33B flightUnited States Air Force's 543rd launch7th this yearhumanity's 1,196th orbital launch attempt25th orbital launch attempt this year
Flight preview
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 2 still in orbit
- OPS 4788 · NORAD 5053 · in orbit
Agena D · in orbit
Data from J. McDowell, planet4589.org
About this launch
Signal intelligence satellite operating from highly elliptic Molniya-type orbits.
Pad

Space Launch Complex 4W, Vandenberg SFB, CA, USA
43rd launch from Space Launch Complex 4W, 2nd this year · 360th from Vandenberg SFB, CA, USA
93 launches from this pad · 919 from Vandenberg SFB, CA, USA
58 days after the previous launch from this pad
Questions
When did Jumpseat 1 launch?
Jumpseat 1 launched on March 21, 1971. The time is known to the hour, not the minute.
Where can I watch Jumpseat 1?
No webcast is on record for this launch.
What rocket launched Jumpseat 1?
Titan 33B, flown by United States Air Force. Titan 33B spec sheet
Where did Jumpseat 1 launch from?
Space Launch Complex 4W, Vandenberg SFB, CA, USA.
What orbit was Jumpseat 1 going to?
Elliptical Orbit (Elliptical), a government/top secret mission.
How many satellites did Jumpseat 1 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).