Zenit-2MRocket launchby RussiaLaunch time30 Aug 197412:50 UTCfailureLoss of hydrogen peroxide lubricant led to Blok A engine failure at T+249 seconds.MissionRocketPayloadsRocket Voskhodlaunched from Plesetsk Cosmodrome, Pad 41/1RussiaPayloadsNamePurposeMassCommentZenit-2M---