Discoverer 28Rocket launchby USALaunch time4 Aug 196100:01 UTCfailureOrbit: LEOSerial number: Thor 309Agena control system malfunctioned.MissionRocketPayloadsRocket ThorDM-21 Agena-Blaunched from Vandenberg AFB, LC-75-1-1USAPayloadsNamePurposeMassCommentDiscoverer 28Reconnaissance--