Cosmos 638
Encyclopedia
Kosmos 638 was an unmanned test of the ASTP Soyuz. It carried an APAS-75 androgynous docking system.
Mission parameters
- Spacecraft: Soyuz-7K-TM №71
- Mass: 6510 to 6680 kg
- Crew: None
- Launched: April 3, 1974
- Landed: April 13, 1974