- Soyuz 34
Infobox Space mission
mission_name = Soyuz 34
sign = ?
crew_members = 0 (at launch)
2 (at landing)
launch =June 6 ,1979
18:12:41 UTCBaikonur LC31
landing =August 19 ,1979
12:29:26 UTC
170 km SE ofDzhezkazgan
duration = 73d/18:16:45
orbits = ~1,200
next =Soyuz 35
previous =Soyuz 33 |Crew
Launched:
*Empty - no crewLanded:
*Vladimir Lyakhov (1) - Commander
*Valery Ryumin (2) - Flight EngineerMission parameters
*Mass: 6,800 kg
*Perigee: 199 km
*Apogee: 271.5 km
*Inclination: 51.62°
*Period: 88.91 minutesMission highlights
Launched unmanned to
Salyut 6 , landed with long term crew.Launched unmanned to replace
Soyuz 32 following theSoyuz 33 failure.Soyuz 34 included main engine modifications made to prevent a recurrence ofthe Soyuz 33 failure.
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