Kosmos 853Rocket launchby RussiaLaunch time1 Sep 197603:23 UTCpartial failureBlok L stage failed to ignite due to a stuck engine valve.MissionRocketPayloadsRocket MolniyaMlaunched from Plesetsk Cosmodrome, Pad 43/3RussiaPayloadsNamePurposeMassCommentKosmos 853 (Molniya 2)---