SAMOS E-5 No. 1 (Samos 4), a U.S. Air Force film-return optical reconnaissance satellite—the first E-5 attempt. Atlas LV-3 Agena-B from Point Arguello failed to place the payload in orbit.
- Outcome
- Failure
- Payload to orbit
- Did not reach orbit
- Flight
- 7th
- of 29 Atlas LV-3 Agena B flights
- Date and time
- 22 November 1961, 20:45 UTC
- Rocket
- Atlas LV-3 Agena B
- Builder
- Convair
- Launch site
- Space Launch Complex 3W, Vandenberg SFB, CA, USA
- Payload
- Unknown
- Launches in 1961
- 45th of 50