Discoverer 23Rocket launchby USALaunch time8 Apr 196119:21 UTCsuccessOrbit: LEOSerial number: Thor 307MissionRocketPayloadsRocket ThorDM-21 Agena-Blaunched from Vandenberg AFB, LC-75-3-5USAPayloadsNamePurposeMassCommentDiscoverer 23Reconnaissance--