Progress DC-1
| Progress DC-1 approaching the ISS with Pirs. | |
| Mission type | ISS assembly | 
|---|---|
| Operator | Roscosmos | 
| COSPAR ID | 2001-041A | 
| SATCAT no. | 26908 | 
| Mission duration | 13 days | 
| Spacecraft properties | |
| Spacecraft type | Progress-M (modified) s/n 301 | 
| Manufacturer | RKK Energia | 
| Launch mass | 6900 kg | 
| Start of mission | |
| Launch date | 14 September 2001, 23:34:55 UTC | 
| Rocket | Soyuz-U | 
| Launch site | Baikonur, Site 1/5 | 
| End of mission | |
| Disposal | Deorbited | 
| Decay date | 27 September 2001, 00:01 UTC | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Low Earth | 
| Perigee altitude | 388.2 km | 
| Apogee altitude | 393.6 km | 
| Inclination | 51.6° | 
| Period | 92.3 minutes | 
| Epoch | 14 September 2001 | 
| Docking with ISS | |
| Docking port | Zvezda nadir (Pirs) | 
| Docking date | 17 September 2001, 01:05 UTC | 
| Undocking date | 26 September 2001, 15:36 UTC | 
| Time docked | 9 days | 
| Payload | |
| Pirs | |
| Mass | 3580 kg | 
| Progress ISS assembly | |
Progress DC-1 (Originally designated Progress SO1) was a modified Progress 11F615A55, Russian production No. 301, used to deliver the Pirs module to the International Space Station. It has the pressurised cargo module removed to accommodate Pirs.