A crewed Soyuz 7K-TM as seen from Apollo module during the Apollo–Soyuz Test Project.
Kosmos 638 (Russian: Космос 638) was an uncrewed test of the 1975 Apollo–Soyuz Test Project Soyuz. It carried an APAS-75 androgynous docking system.
This was followed by another uncrewed test of this spacecraft type, Kosmos 672.[1] It was a Soyuz 7K-TM spacecraft.[1]
When the air was released from the orbital module (which is ejected before re-entry of the capsule) it caused unexpected motions with the spacecraft.[1] This led to the next test also being uncrewed.[1]
Mission parameters
- Spacecraft: Soyuz-7K-TM №71
- Mass: 6510 to 6680 kg
- Crew: None
- Launched: April 3, 1974
- Landed: April 13, 1974
References
- Mir Hardware Heritage
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Uncrewed missions are designated as Kosmos instead of Soyuz; exceptions are noted "(uncrewed)". The † sign designates failed missions. Italics designates cancelled missions. | |||||||||||||||||||||||||||
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