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International Space Station

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International Space Station

The International Space Station is a collaborative project between five space agencies: NASA, Roscosmos, JAXA, ESA, and CSA; and 16 nations. The Space Station serves as a floating laboratory in Low-Earth orbit. First launched in 1998, the station has been continually occupied by humans since 2000 and sees continual updates.

Partner Nations and Space Agencies

The International Space Station, in its name, is an international cooperation between both space agencies and nations. All these nations support funding for maintaining and providing experiments and crew for the station.

List of member agencies

  • NASA
  • Roscosmos
  • ESA
  • JAXA
  • CSA

List of partner nations

  • Belgium
  • Denmark
  • France
  • Germany
  • Italy
  • Netherlands
  • Norway
  • Spain
  • Sweden
  • Switzerland
  • United Kingdom
  • United States of America

Spacecraft that support space station operations

Crew Spacecraft

SpacecraftCountryCrew CapacityRocketStatus
CST-100 StarlinerUS (Boeing)4 crew membersAtlas VIn Development
Crew DragonUS (SpaceX)4 crew membersFalcon 9Operational
SoyuzRussia3 crew membersSoyuzOperational
Space ShuttleUS8 crew membersSpace ShuttleRetired

Cargo Spacecraft

SpacecraftCountryCargo CapacityRocketStatus
Dream ChaserUS (Sierra Space)5,500 kg to ISS; 1,750 kg returnedVulcanIn Development
HTV-XJapan7,200 kg to ISSH3In Development
ProgressRussia2,400 kg to ISS;SoyuzOperational
CygnusUS (Northrop Grumman)2,000 kg to ISS;Antares / Atlas VOperational
Dragon 2US (SpaceX)6,000 kg to ISS; 3,000 kg returnedFalcon 9Operational
H-II Transfer VehicleJapan6,000 kg to ISS;H-IIBRetired
DragonUS (SpaceX)6,000 kg to ISS; 3,000 kg returnedFalcon 9Retired

Rockets which launch Space Station modules

RocketVehicle CountrySegments LaunchedVehicle Status
ProtonRussiaZarya, Zvezda, NaukaOperational
SoyuzRussiaPirs, PoiskOperational
Space ShuttleUnited StatesUnity, Destiny, Harmony, Columbus, Rassvet, Leonardo, Quest, Tranquility, Cupola, JEM-ELM-PS, JEM-PMRetired
Falcon 9United StatesBEAM Operational
Rockets that have launched Space Station modules

[Update: Dragon spacecraft deployed] SpaceX to launch 23rd resupply mission to the International Space Station

spacex crs-23 falcon 9 before launch

After weather scrubbed SpaceX’s first attempt to launch CRS-23, they will be trying again tonight. This mission will feature a Falcon 9 rocket launching the company’s Dragon 2 cargo vehicle to the International Space Station. This will be SpaceX’s 23rd mission for NASA’s Commercial Resupply Services program and 3rd for the CRS-2 contract.

Date: Sunday, August 29th at 3:14 a.m. EDT

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[Update: Delayed past NASA Lucy mission] Boeing stands down from current Starliner launch window, returning spacecraft to factory

Starliner Capsule secured to Atlas Rocket

Update: In a press conference Boeing and NASA detailed why they will be moving Starliner back to their factory and the next possible launch opportunities.


The ongoing saga that is Boeing’s Starliner spacecraft takes another unfortunate turn today. Boeing has announced that it will return Starliner to its factory after experiencing hardware issues that prevented a launch attempt.

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[Update: Launched] Live Blog: Northrop Grumman to launch its 16th Cygnus spacecraft to the ISS for NASA

Northrop Grumman NG-16 Antares

Today Northrop Grumman plans to launch their 16th Cygnus spacecraft from Virginia’s Mid-Atlantic Regional Spaceport (MARS) for NASA. Today’s mission will see an Antares rocket launch the Cygnus spacecraft to the International Space Station. It will deliver over 3,000 pounds of food, experiments, and other supplies to the station for its crew to use. The spacecraft will also conduct experiments on its way to and after departing the space station.

Date: Tuesday, August 10th at 6:01 p.m. EDT

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Boeing pauses critical Starliner OFT-2 mission to ISS over propulsion system issue

After a year and a half of focusing on software issues, Boeing has paused its Starliner Orbital Flight Test 2 (OFT-2) mission to the International Space Station today. The launch was scheduled for this afternoon but scrubbed hours before liftoff due to a propulsion system issue with the spacecraft.

Boeing’s mission is to have its uncrewed Starliner spacecraft reach the International Space Station and return safely before it can be rated for human spaceflight. Boeing is one of two providers for NASA’s Commercial Crew Program (along with SpaceX) to transport astronauts to and from the space station.

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[Update: NASA on-duty flight director interview] Watch the moment things went wrong when Nauka joined the ISS [Video]

Earlier this week Russia launched their newest module to the International Space Station. After a rough orbit insertion, Nauka caused even more issues when it started firing its thrusters while attached to the International Space Station. Video shows Nauka’s docking mishap.

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Watch NASA astronaut Kate Rubins return to Earth with cosmonauts Sergey and Sergey

After six months working on the International Space Station, NASA astronaut Kate Rubins is returning to Earth tonight alongside her mission colleagues Sergey Ryzhikov and Sergey Kud-Sverchkov. NASA will have live coverage through the night of the crew’s departure from ISS and return to Kazakhstan.

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