Mir EO-3
| Mission type | Mir expedition | 
|---|---|
| Mission duration | 365.94 days (launch to landing) | 
| Expedition | |
| Space station | Mir | 
| Began | 21 December 1987 | 
| Ended | 21 December 1988, 02:32:54 UTC | 
| Arrived aboard | Soyuz TM-4 Polyakov: Soyuz TM-6 | 
| Departed aboard | Soyuz TM-6 Polyakov: Soyuz TM-7 | 
| Crew | |
| Crew size | Two | 
| Members | Vladimir Titov Musa Manarov Valeri Polyakov* * - Transferred to EO-4 | 
| Long-term Mir expeditions | |
Mir EO-3 (also called Mir Principal Expedition 3) was an expedition to the space station Mir. The crew consisted of 3 people, Musa Manarov (Commander), Vladimir Titov (Flight Engineer) and Valeri Polyakov (Research Doctor). Manarov and Titov arrived at the station in December 1987 on Soyuz TM-4, while Polyakov arrived much later, in August 1988 on Soyuz TM-6. After the arrival of Polyakov, medical experiments became more intensive.