Zarya - Soviet, Russian and International Spaceflight
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The DOS Space Stations


Tyneside, UK
2018 Oct 16
Tuesday, Day 289

Maintained by:









Salyut 1




Salyut 4




Salyut 6




Salyut 7




The next Salyut gets a new name
Second Expedition to Salyut 6 - June to Nov 1978

Having proved with the missions over the year end of 1977 to 1978, that Salyut 6 was fully operational, it was ready for a steady period of operation. Soyuz 29 hosted two visiting international crews, the second of which used the Soyuz 29 spacecraft to return to Earth.

Salyut 6This effectively gave the game away as regards the reason for the international flights. As the Soviet Union gradually extended the duration of its piloted missions, crews started to stay in space for periods of time which would take Soyuz beyond its safe time limit in orbit. It became necessary for cosmonauts to go into space and retrieve Soyuz spacecraft and leave new ones behind. This led to the availability of "spare" seats on trips to orbit. These were then given away to other eastern bloc and communist countries. Foreign cosmonauts were taken on one week trips to Salyut 6.


Date Time (UTC) Event
1978 Jun 15 20:16 Soyuz 29 launched from the Baikonur Cosmodrome by Soyuz rocket into 193 x 248 kilometre orbit with Vladimir Kovalyonok and Aleksandr Ivanchenkev aboard
1978 Jun 16 21:58 Soyuz 29 docks at the forward port of Salyut 6 - orbit is 339 x 355 kilometres
1978 Jun 27 15:27 Soyuz 30 launched from the Baikonur Cosmodrome by Soyuz rocket into 198 x 239 kilometre orbit with Pyotr Klimuk and Miroslav Hermaszewski (Poland) aboard
1978 Jun 28 17:07 Soyuz 30 docks at the aft port of Salyut 6 - orbit is 334 x 343 kilometres
1978 Jul 5 10:15 Soyuz 30 undocks with Klimuk and Hermaszewski aboard
1978 Jul 5 13:30 Soyuz 30 lands - 328 kilometres west of Tselinograd
1978 Jul 7 11:26 Progress 2 launched from the Baikonur Cosmodrome by Soyuz rocket into 183 x 235 kilometre orbit
1978 Jul 9 12:58 Progress 2 docks at the aft port of Salyut 6 - orbit is 331 x 338 kilometres
1978 Jul 29 03:57 Kovalyonok and Ivanchenkev start space walk to retrieve samples of materials stored on the exterior of Salyut 6
1978 Jul 29 06:02 Kovalyonok and Ivanchenkev complete space walk after 2 hr-5 min
1978 Aug 2 04:57 Progress 2 undocks
1978 Aug 4 01:31 Progress 2 fires its manoeuvring engine to initiate re-entry
1978 Aug 4 02:15 Approx time - Progress 2 enters the Earth atmosphere above the southern Pacific Ocean and is destroyed by frictional heating
1978 Aug 7 22:31 Progress 3 launched from the Baikonur Cosmodrome by Soyuz rocket into 190 x 232 kilometre orbit
1978 Aug 9 23:59 Progress 3 docks at the aft port of Salyut 6 - orbit is 327 x 355 kilometres
1978 Aug 21 15:42 Progress 3 undocks
1978 Aug 23 16:45 Progress 3 fires its manoeuvring engine to initiate re-entry
1978 Aug 23 17:30 Approx time - Progress 3 enters the Earth atmosphere above the southern Pacific Ocean and is destroyed by frictional heating
1978 Aug 26 14:51 Soyuz 31 launched from the Baikonur Cosmodrome by Soyuz rocket into 193 x 243 kilometre orbit with Valeri Bykovsky and Sigmund Jahn (German Democratic Republic) aboard - the first international space crew to go into orbit
1978 Aug 27 16:37 Soyuz 31 docks at the aft port of Salyut 6 - orbit is 337 x 355 kilometres
1978 Sep 3 08:23 Soyuz 29 undocks with Bykovsky and Jahn aboard
1978 Sep 3 11:40 Soyuz 29 lands
1978 Sep 7 10:53 Kovalyonok and Ivanchenkev undock Soyuz 31, wait for Salyut 6 to execute a 180 degree turn, and re-dock with the forward port of Salyut 6 - the operation takes approx 70 minutes
1978 Oct 3 23:09 Progress 4 launched from the Baikonur Cosmodrome by Soyuz rocket into 185 x 248 kilometre orbit
1978 Oct 6 01:00 Progress 4 docks at the aft port of Salyut 6 - orbit is 321 x 340 kilometres
1978 Oct 24 13:01 Progress 4 undocks
1978 Oct 26 16:28 Progress 4 fires its manoeuvring engine to initiate re-entry
1978 Oct 26 17:15 Approx time - Progress 4 enters the Earth atmosphere above the southern Pacific Ocean and is destroyed by frictional heating
1978 Nov 2 07:46 Soyuz 31 undocks with Kovalyonok and Ivanchenkev aboard
1978 Nov 2 11:04 Soyuz 31 lands - 180 kilometres south-east of Dzhezhkazgan
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