Mk.4 REVRocket launchby USALaunch time1 Jul 196017:29 UTCfailureOrbit: SuborbitalSerial number: J-2Broken hydraulic line led to loss of control. RSO T+11 seconds.MissionRocketPayloadsRocket TitanIlaunched from Cape Canaveral, LC-20USAPayloadsNamePurposeMassCommentMk.4 REV---