KH-4BRocket launchby USALaunch time5 Feb 196921:59 UTCsuccessOrbit: LEOSerial number: Thor 519MissionRocketPayloadsRocket Thorad SLV-2G Agena-Dlaunched from Vandenberg AFB, SLC-3WUSAPayloadsNamePurposeMassCommentKH-4B (S/N 1106)/SRV S/N 801RReconnaissance--