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Progress is an unmanned, automated version of the Soyuz crew transfer vehicle, designed to resupply the Russian Salyut and Mir space stations. Like the Soyuz, it measures about 8 meters long by 2.7 meters wide. It has 6.6 cubic meters of volume and carries about 2500 kg. of cargo. During U.S. Mir astronaut Michael Foale's increment onboard Mir, a Progress collided with Mir, causing damage and depressurization. For more on this event, select The Collision.
For a more thorough description of Progress, select Progress: Detailed Description for an excerpt from David Portree's Mir Hardware Heritage, which is also available in full on this Web site in PDF format.
Mir Space Station
Progress: Detailed Description
Space Shuttle Orbiter | Mir Space Station
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Responsible NASA Official: John Ira Petty