Progress MS-33

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Progress MS-33
NamesProgress 94
ISS 94P
Mission typeISS resupply
OperatorRoscosmos
Spacecraft properties
SpacecraftProgress MS-33 No. 463[1]
Spacecraft typeProgress MS
ManufacturerEnergia
Launch mass7,280 kg (16,050 lb)[2]
Start of mission
Launch dateTBA[2]
RocketSoyuz-2.1a
Launch siteBaikonur, Site 31/6
ContractorRKTs Progress
End of mission
DisposalDeorbited (planned)
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Inclination51.65°
Docking with ISS
Docking portPoisk zenith

Progress MS-33 (Russian: Прогресс МC-33), Russian production No. 463, identified by NASA as Progress 94, is a Progress cargo spacecraft mission by Roscosmos to resupply the International Space Station (ISS). It will be the 186th flight of a Progress spacecraft and was originally scheduled to launch in late 2025, but was delayed indefinitely due to damage at Baikonur Cosmodrome Site 31 following the launch of Soyuz MS-28.

Mission

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Progress MS-33 was scheduled to launch on 19 December 2025 and after a two-day free flight, dock with the zenith (space-facing) port of the ISS's Poisk module.[2]

However, Site 31 at the Baikonur Cosmodrome was severely damaged during the launch of Soyuz MS-28, with the mobile service platform beneath the pad appearing to collapse into the flame trench. The extent of the damage temporarily rendered Russia’s only operational crewed launch facility unusable.[3][4] Roscosmos officials subsequently told NASA that repairs to the site and restoration of launch capability were expected to take at least four months. As a result, the next planned launch from the site—the Progress MS-33 cargo mission originally scheduled for late December—was delayed to no earlier than March.[5]

In response to the disruption, NASA adjusted its cargo resupply schedule to the ISS. The agency moved the CRS SpX-34 forward by one month, from June 2026 to May, and advanced the subsequent CRS SpX-35, by three months, from November to August. NASA indicated that the changes were intended to ensure adequate food, water, oxygen, and other critical supplies aboard the station in the event of further delays to visiting Progress vehicles.[5]

Cargo

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Each Progress mission delivers pressurized and unpressurized cargo to the station. The pressurized section carries consumables such as food, water, and air, along with equipment for maintenance and scientific research. The unpressurized section contains tanks of fuel, water, and gases, which are transferred to the station through automated systems.[6]

References

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  1. ^ Krebs, Gunter D. "Progress MS". Gunter's Space Page. Retrieved 9 September 2025.
  2. ^ a b c "Progress MS-33". Next Spaceflight. Retrieved 9 September 2025.
  3. ^ Lyrchikova, Anastasia; Bobrova, Marina (27 November 2025). "Baikonur launch pad damaged after Russian Soyuz launch to International Space Station". Reuters. Retrieved 27 November 2025.
  4. ^ Zak, Anatoly (27 November 2025). "R-7 ICBM/Soyuz rocket launch facilities in Baikonur". RussianSpaceWeb.com. Retrieved 27 November 2025.
  5. ^ a b Berger, Eric (10 December 2025). "After key Russian launch site is damaged, NASA accelerates Dragon supply missions". Ars Technica. Retrieved 18 December 2025.
  6. ^ Zak, Anatoly (30 November 2023). "Progress cargo ship". RussianSpaceWeb.com. Retrieved 9 September 2025.

See also

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