Kosmos 670Rocket launchby RussiaLaunch time6 Aug 197400:02 UTCsuccessOrbit: LEOUnmanned test flight of the military version of the Soyuz spacecraft.MissionRocketPayloadsLandingRocket SoyuzUlaunched from Baikonur Cosmodrome, Pad 1/5KazakhstanPayloadsNamePurposeMassCommentKosmos 670 (Soyuz-S)---Spacecraft landingDate9 Aug 1974