Intelsat 4 F1Rocket launchby USALaunch time22 May 197522:04 UTCsuccessOrbit: GTOSerial number: AC-35MissionRocketPayloadsRocket AtlasCentaur SLV-3Dlaunched from Cape Canaveral, LC-36AUSAPayloadsNamePurposeMassCommentIntelsat 4 F1Comsat--