NSSDCA ID: NNN6101
SAMOS 4 was a US Air Force first generation photo surveillance satellite launched from the Vandenberg Air Force Base aboard an Atlas Agena-B rocket. It was the 4th in the series of Satellite and Missile Observation Satellites and failed to reach orbit.
Launch Date: 1961-11-22
Launch Vehicle: Atlas-Agena
Launch Site: Point Arguello, United States
Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office