Soyuz TM-27 is a Russian spacecraft that ferried cosmonauts and supplies to the Mir, the Russian space station. It was the 33rd expedition to Mir. It was launched by a Soyuz-U rocket from Baikonur Cosmodrome on January 29, 1998. The main mission was to exchange one crew member, carry out French mission PEGASE, and conduct routine science experiments.

TM-27 docked with Mir. The crew repaired the Spektr solar panel and installed a new VDU station orientation system.

The Soyuz is a Soviet crewed spaceship, developed to made crewed lunar missions. This version called 7K will fly 4 times on the giant launcher N1, and several tens of times on Proton to fly over the Moon, which will be successful during the mission Zond 4. Soyuz will become the first spacecraft to transport living beings to the Moon during the flight of Zond 5, with two turtles. Subsequently, it is adapted to low orbit and will fly on the Soyuz launcher to serve the Salyut and Mir stations and the ISS.