|Mission name||Soyuz TM-18|
|Spacecraft mass||7150 kg|
|Crew size||3 launched / 2 landed|
|Call sign||Дербе́нт (Derbent)|
|Launch date||January 8, 1994
|Landing||July 9, 1994
110 km N of Arkalyk
|Mission duration||182 days 00 hours 27 minutes 01 seconds|
|Number of orbits||~2,910|
|Orbital period||90.1 minutes|
Soyuz TM-18 was launched from Baikonur Cosmodrome and landed 112 km north of Arkalyk. TM-18 was a two-day solo flight that docked with the Mir space station on January 10, 1994. The three cosmonauts became the 15th resident crew of the MIR. The crew did research work in space flight medicine, primarily by cosmonaut Valeri Polyakov during his long-term flight, and accomplished 25 different experiments.
|Position||Launching crew||Landing crew|
|Commander|| Viktor Afanasyev
|Flight Engineer|| Yury Usachov
|Research Cosmonaut|| Valeri Polyakov
Mission highlights 
18th expedition to Mir.
Afanasyev and Usachev spent 179 days on Mir. Dr. Polyakov was slated to return to Earth on Soyuz-TM 20 in March 1995, after more than 420 days on Mir.