OPS-5310Rocket launchby USALaunch time15 Apr 196917:30 UTCsuccessOrbit: LEOSerial number: 3B-21MissionRocketPayloadsRocket TitanIIIBlaunched from Vandenberg AFB, SLC-4WUSAPayloadsNamePurposeMassCommentOPS-5310 (KH-8)---