Samos 5Atlas LV-3AUnited States Air Force Launch Status Partial Failure Fri ยท Dec 22nd, 1961 2:12 PM EST LocationSpace Launch Complex 3EVandenberg AFB, CA, USA83 rockets have launched from Vandenberg AFB, CA, USA. RocketAtlas Agena BLength: 20.27 meters Diameter: 3.05 metersThe Atlas LV-3A was a largely unsuccessful configuration until it was given an Agena B upper stage. It was responsible for the launch of Mariner II to Venus and had one of the first engines that could be restarted in orbit.The Atlas Agena B rocket has been launched a total of 8 times with 3 successful and 5 failed launches. AgencyUnited States Air ForceType: Government Abbreviation: USAFCountry: USA View Rocket Launch Schedule