KH-4ARocket launchby USALaunch time14 Mar 196822:00 UTCsuccessOrbit: LEOSerial number: Thor 518MissionRocketPayloadsRocket Thorad SLV-2G Agena-Dlaunched from Vandenberg AFB, SLC-1EUSAPayloadsNamePurposeMassCommentKH-4A (S/N 1046)/SRV S/N 747Reconnaissance--