KH-4ARocket launchby USALaunch time18 Sep 196821:32 UTCsuccessOrbit: LEOSerial number: Thor 524MissionRocketPayloadsRocket Thorad SLV-2G Agena-Dlaunched from Vandenberg AFB, SLC-1EUSAPayloadsNamePurposeMassCommentKH-4A (S/N 1048)/SRV S/N 749Reconnaissance--