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 on board 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 Second spaceflight
Flight Engineer	Yury Usachov First spaceflight
Research Cosmonaut	Valeri Polyakov Second and last spaceflight	None

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.

• Timeline of longest spaceflights

• Spacefacts.de: Soyuz TM-18