Kosmos 672Rocket launchby RussiaLaunch time12 Aug 197406:25 UTCsuccessOrbit: LEOUnmanned test of upgraded Soyuz spacecraft for the Apollo–Soyuz Test Project.MissionRocketPayloadsLandingRocket SoyuzUlaunched from Baikonur Cosmodrome, Pad 31/6KazakhstanPayloadsNamePurposeMassCommentKosmos 672 (Soyuz 7K-TM)---Spacecraft landingDate18 Aug 1974