Progress 12Rocket launchby RussiaLaunch time24 Jan 198114:18 UTCsuccessOrbit: LEOSalyut 6 Logistics.MissionRocketPayloadsDockingRocket SoyuzUlaunched from Baikonur Cosmodrome, Pad 1/5KazakhstanPayloadsNamePurposeMassCommentProgress 12---Docking to Salyut 6 RearDocked26 Jan 1981 15:56:00 UTCUndocked19 Mar 1981 18:14:00 UTCDeorbited20 Mar 1981 16:59:00 UTC