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Soyuz TM-21
COSPAR ID1995-010A
SATCAT no.23519Edit this on Wikidata
Mission duration181 days, 41 minutes, 6 seconds
Orbits completed~2,940
Spacecraft properties
Spacecraft typeSoyuz-TM
ManufacturerRKK Energia
Launch mass7,170 kilograms (15,810 lb)
Crew size3 up
2 down
LaunchingVladimir Dezhurov
Gennady Strekalov
Norman Thagard
LandingAnatoly Solovyev
Nikolai Budarin
CallsignУрага́н (Uragan - Hurricane)
Start of mission
Launch dateMarch 14, 1995, 06:11:34 (1995-03-14UTC06:11:34Z) UTC
End of mission
Landing dateSeptember 11, 1995, 06:52:40 (1995-09-11UTC06:52:41Z) UTC
Landing site50°40′N 68°15′E / 50.67°N 68.25°E / 50.67; 68.25
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude200 kilometers (120 mi)
Apogee altitude249.6 kilometers (155.1 mi)
Inclination51.65 degrees
Period88.7 minutes
Docking with Mir
Soyuz TM-21 Patch.png
Soyuz TM-21 Crew.jpg

From left to right: Norman Thagard, Vladimir Dezhurov, Gennady Strekalov
Soyuz programme
(Crewed missions)

Soyuz TM-21 was a Soyuz mission, a human spaceflight mission transporting personnel to the Russian space station Mir. Part of the US/Russian Shuttle-Mir Program, the mission launched from Baikonur Cosmodrome, atop a Soyuz-U2 carrier rocket, at 06:11:34 UTC on March 14, 1995. It is of note because its launch marked the presence, for the first time ever, of thirteen humans in space simultaneously - three aboard the Soyuz, three aboard Mir and seven aboard Space Shuttle Endeavour, flying STS-67.

The spacecraft carried expedition EO-18 to the space station, including the first American astronaut to launch on a Soyuz spacecraft and board Mir, Norman Thagard, for the American Thagard Increment aboard the station, the first Increment of the Shuttle-Mir program. The three crew members it launched were relieved by Space Shuttle Atlantis during STS-71, when they were replaced by expedition EO-19. The crew returned to earth aboard Soyuz TM-21 on September 11, 1995.


Position Launching crew Landing crew
Commander Russia Vladimir Dezhurov
First spaceflight
Russia Anatoly Solovyev
Fourth spaceflight
Flight Engineer Russia Gennady Strekalov
Fifth and last spaceflight
Russia Nikolai Budarin
First spaceflight
Research Cosmonaut United States Norman Thagard
Fifth and last spaceflight

Mission parameters

  • Mass: 7150 kg
  • Perigee: 201 km
  • Apogee: 247 km
  • Inclination: 51.65°
  • Period: 88.7 minutes
  • First Mir docking: March 16, 1995, 07:45:26 UTC
  • First Mir undocking: July 4, 1995, 10:55 UTC
  • Second Mir docking: July 4, 1995, 11:39 UTC
  • Second Mir undocking: September 11, 1995, 03:30:44 UTC


  • "Spaceflight mission report: Soyuz TM-21". February 19, 2007. Retrieved 2007-04-09.
  • "Soyuz TM-21". Encyclopaedia Astronautica. March 12, 2001. Retrieved 2007-04-09.

This page was last edited on 28 January 2021, at 04:01
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