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 M-45 Progress M1-7 →

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.^[1] It has the pressurised cargo module removed to accommodate Pirs.^[2]

Progress DC-1 was launched by a Soyuz-U carrier rocket from Site 1/5 at the Baikonur Cosmodrome. Launch occurred at 23:34:55 UTC on 14 September 2001.^[2]

The spacecraft docked with the nadir port of the Zvezda module at 01:05 UTC on 17 September 2001.^[3] It remained docked for nine days.

On 26 September 2001 at 15:36 UTC it was jettisoned from Pirs. It was deorbited at 23:30 UTC on the same day, and burned up in the atmosphere over the Pacific Ocean, with any remaining debris landing in the ocean at around 00:01 UTC on 27 September 2001.^[4]

• List of Progress flights
• Uncrewed spaceflights to the International Space Station
• Progress M-MIM2
• Progress M-UM