|Mission duration||114 days, 5 hours, 33 minutes, 49 seconds|
|Launch mass||7,070 kilograms (15,590 lb)|
|Start of mission|
|Launch date||29 August 1988, 04:23:11UTC|
|Launch site||Baikonur 1/5|
|End of mission|
|Landing date||21 December 1988, 09:57:00UTC|
|Landing site|| 160 kilometres (99 mi) SE of Dzhezkazgan|
|Docking with Mir|
|Docking date||31 August 1988, 05:40:44 UTC|
|Undocking date||21 December 1988, 02:32:54 UTC|
Soyuz TM-6 was a crewed Soyuz spaceflight to Mir. It was launched on 29 August 1988, at 04:23:11 UTC, for the station's third long-duration expedition, Mir EO-3. The three-person crew that was launched consisted of Research Doctor Valeri Polyakov, who became part of the EO-3 crew, as well as the two crew members of the week-long mission Mir EP-3, which included the first ever Afghan cosmonaut, Abdul Ahad Mohmand.
On September 8, Soyuz TM-6 was undocked from Mir's Kvant port and redocked onto the Mir Base Block's port. It remained there until December, when it brought Titov and Manarov of the EO-3 crew back to Earth. It also landed French astronaut Jean-Loup Chrétien, ending his 25-day-long spaceflight which started with Soyuz TM-7.
|Position||Launching crew||Landing crew|
|Commander|| Vladimir Lyakhov
| Vladimir Titov|
|Research Doctor/Flight Engineer|| Valeri Polyakov
Mir EO-3 / Mir EO-4
| Musa Manarov|
|Research Cosmonaut|| Abdul Mohmand
| Jean-Loup Chrétien|
Valeri Polyakov remained behind on Mir with cosmonauts Musa Manarov and Vladimir Titov when Mohmand and Lyakhov returned to Earth in Soyuz TM-5.
The crew of Soyuz TM-6 had a unique makeup, with a commander (Vladimir Lyakhov) who had been trained to fly a Soyuz-TM solo in the event a rescue ship needed to be sent to recover two cosmonauts from Mir, no flight engineer, and two inexperienced cosmonaut-researchers. One was Valeri Polyakov, who would remain aboard Mir with Titov and Manarov to monitor their health during the final months of their planned year-long stay. The other was Intercosmos cosmonaut Abdul Ahad Mohmand, from Afghanistan.