OPS 4639Rocket launchby USALaunch time24 Dec 196521:06 UTCsuccessOrbit: LEOSerial number: Thor 451MissionRocketPayloadsRocket ThorTAT SLV-2A Agena-Dlaunched from Vandenberg AFB, LC-75-3-4USAPayloadsNamePurposeMassCommentOPS 4639 (KH-4A #1028)Reconnaissance--