KH-4ARocket launchby USALaunch time20 Jun 196821:46 UTCsuccessOrbit: LEOSerial number: Thor 517MissionRocketPayloadsRocket Thorad SLV-2G Agena-Dlaunched from Vandenberg AFB, SLC-1EUSAPayloadsNamePurposeMassCommentKH-4A (S/N 1047)/SRV S/N 745Reconnaissance--