Kosmos 656Rocket launchby RussiaLaunch time27 May 197407:20 UTCsuccessOrbit: LEOUnmanned test of upgraded Soyuz spacecraft.MissionRocketPayloadsLandingRocket Soyuz7K-T/A9launched from Baikonur Cosmodrome, Pad 1/5KazakhstanPayloadsNamePurposeMassCommentKosmos 656 (Soyuz 7K-T)---Spacecraft landingDate29 May 1974