Mission type ISS resupply COSPAR ID 2006-013A Inclination 51.6° Decay date 19 September 2006 | Operator Roskosmos Disposal Deorbited Launch date 24 April 2006 | |
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Manufacturer S. P. Korolev Rocket and Space Corporation Energia Similar Progress M‑58, Progress M‑57, Progress M‑47, Progress M‑53, Progress M‑45 | ||
Progress M-56, identified by NASA as Progress 21 or 21P, was a Progress spacecraft used to resupply the International Space Station. It was a Progress-M 11F615A55 spacecraft, with the serial number 356.
Progress M-56 was launched by a Soyuz-U carrier rocket from Site 1/5 at the Baikonur Cosmodrome. Launch occurred at 16:03:25 GMT on 24 April 2006. The spacecraft docked with the Aft port of the Zvezda module at 17:41:31 GMT on 26 April. It remained docked for five months before undocking at 00:28:17 GMT on 19 September 2006 to make way for Soyuz TMA-9. It was deorbited at 03:28 GMT on 19 September 2006. The spacecraft burned up in the atmosphere over the Pacific Ocean, with any remaining debris landing in the ocean at around 04:14:40 GMT.
Progress M-56 carried supplies to the International Space Station, including food, water and oxygen for the crew and equipment for conducting scientific research.