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Soyuz 24

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Title: Soyuz 24  
Author: World Heritage Encyclopedia
Language: English
Subject: Soyuz 25, Viktor Gorbatko, Yury Glazkov, Soyuz 23, Soyuz 33
Collection: 1977 in Spaceflight, 1977 in the Soviet Union, Manned Soyuz Missions, Spacecraft Launched in 1977
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Soyuz 24

Soyuz 24
Mission duration 17 days, 17 hours, 26 minutes
Orbits completed 285
Spacecraft properties
Spacecraft type Soyuz 7K-T/A9
Manufacturer NPO Energia
Launch mass 6,800 kilograms (15,000 lb)
Crew size 2
Members Viktor Gorbatko
Yuri Glazkov
Callsign Терек (Terek -
"Terek River")
Start of mission
Launch date February 7, 1977, 16:11 (1977-02-07T16:11Z) UTC
Rocket Soyuz-U
Launch site Baikonur 1/5[1]
End of mission
Landing date Did not recognize date. Try slightly modifying the date in the first parameter. UTC
Landing site 37 kilometres (23 mi) NE of Arkalyk
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 184.7 km (114.8 mi)
Apogee 346.2 km (215.1 mi)
Inclination 51.65 degrees
Period 89.52 minutes
Docking with Salyut 5

Soyuz programme
(Manned missions)
← Soyuz 23 Soyuz 25

Soyuz 24 (Russian: Союз 24, Union 24) was a 1977 Soviet mission to the Salyut 5 space station, the third and final mission to the station, the last purely military crew for the Soviets and the final mission to a military Salyut.[2] Cosmonauts Viktor Gorbatko and Yuri Glazkov re-activated the station after toxic fumes had apparently terminated the mission of Soyuz 21, the previous crew.

They performed biological and materials experiments while on board. Other presumed activities included photographic reconnaissance, and finishing tasks the previous crew was forced to abandon when their mission abruptly ended. The Soyuz 24 crew landed after spending 18 days in space, and the Salyut station was de-orbited six months later.


  • Crew 1
    • Backup crew 1.1
    • Reserve crew 1.2
  • Mission highlights 2
  • Mission parameters 3
  • References 4


Position Cosmonaut
Commander Viktor Gorbatko
Second spaceflight
Flight Engineer Yuri Glazkov
First spaceflight

Backup crew

Position Cosmonaut
Commander Anatoli Berezovoy
Flight Engineer Mikhail Lisun

Reserve crew

Position Cosmonaut
Commander Vladimir Kozelsky
Flight Engineer Vladimir Preobrazhensky

Mission highlights

Cosmonauts Gorbatko and Glazkov were the back-up crew for Soyuz 23, which failed to dock with Salyut 5 several months earlier.[3] Soyuz 24 was launched 7 February 1977, and successfully docked with the orbiting space station the next day. However, the crew did not immediately enter the station, atypically having a sleep period first and delaying their entry by some 11 hours.[3] Observers speculate that problems with fumes which may have caused the Soyuz 21 crew to leave were resolved or dealt with by the new crew.[3] They entered the station wearing breathing apparatus and made numerous tests of the atmosphere before apparently concluding conditions were safe and removing their breathing devices.[4]

Observers speculate that the flight had a specific objective and was not meant to be a long-duration mission. In any case, fuel for the station to maneuver was too depleted to attempt a long mission.[3]

The crew continued the research started by the Soyuz 21 crew,[4] performed Earth resources work, biological and materials experiments. But, being a part of the Almaz military Salyut program, other unrevealed projects were likely carried out. The flight would prove to be not only the final flight to a military Salyut station, but also the final all-military crew to be launched by the Soviets.[4]

On 21 February, the crew performed an air-changing experiment, shown on TV, slowly venting air from one end of the station to the other while releasing 100 kg of air from tanks in the docked Soyuz orbital module. This was a test of the future air replenishment techniques to be carried out with Progress transports in subsequent space stations.[3]

They began to activate the Soyuz on 23 February, deactivate the space station, and undocked and landed near Arkalyk on 25 February. The next day, the Salyut released a capsule which was recovered on Soviet territory, containing exposed film and experiments carried out by the two crews who manned the station.[3][4] The station itself was deorbited on 8 August.

Mission parameters

  • Mass: 6,800 kg (15,000 lb)
  • Perigee: 184.7 km (114.8 mi)
  • Apogee: 346.2 km (215.1 mi)
  • Inclination: 51.65°
  • Period: 89.52 minutes


  1. ^ "Baikonur LC1". Encyclopedia Astronautica. Retrieved 2009-03-04. 
  2. ^ The mission report is available here:
  3. ^ a b c d e f Newkirk, Dennis (1990). Almanac of Soviet Manned Space Flight. Houston, Texas: Gulf Publishing Company.  
  4. ^ a b c d Clark, Phillip (1988). The Soviet Manned Space Program. New York: Orion Books, a division of Crown Publishers, Inc.  
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