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Hold On! Four Astronauts Must Wait a Little Longer for Their Space Ride
Quick Summary
Four astronauts were all set to rocket to the International Space Station today. But a small leak was discovered on their spacecraft. NASA and SpaceX decided it was safer to fix it first before launching. A new launch date has not yet been announced, but the crew is safe and ready.
What Happened?
The mission is called SpaceX Crew-13. It was originally planned to launch today, September 12, from Cape Canaveral Space Force Station in Florida.
The four crew members had been training hard. The team is led by commander Jessica Watkins from NASA. She is joined by pilot Luke Delaney, also from NASA. Two more specialists round out the team: Joshua Kutryk from the Canadian Space Agency and Sergey Teteryatnikov from the Russian space agency, Roscosmos.
The crew would have been flying aboard a Crew Dragon spacecraft called Grace, sitting on top of a Falcon 9 rocket. Their home for the next six months would have been the International Space Station, orbiting about 400 kilometres above Earth — as high as flying from New York to Philadelphia, but straight up!
But on August 29, engineers discovered a problem. During routine checks, they found a small leak in Dragon’s propulsion system. The leaking chemical is called an oxidizer. Think of an oxidizer like the air that helps a campfire burn — except in a rocket, it helps the engines fire. Even a tiny leak in that system needs to be taken seriously.
NASA Administrator Jared Isaacman said it could take two to four weeks to repair the leaky part. NASA said the new launch date would be announced once the fix is finished and all tests pass. The mission is now listed as targeting no earlier than late September 2026.
The crew is perfectly safe on the ground. No one was in danger. The whole point of these careful checks is to find problems like this before a rocket ever leaves the launch pad.
Why Does It Matter?
Safety is the number one rule in spaceflight. Even a small problem is worth fixing properly before launch. The people who build and check rockets know that it is always better to wait a few weeks than to rush.
Once Crew-13 does launch, Jessica Watkins and her teammates will join Expedition 75 already in progress on the station. They will carry out science experiments on topics including heart disease and growing crops in space — research that could one day help astronauts travel even farther, to the Moon and beyond.
This is just a small pause on an exciting journey. The rocket will fly — just a little later than planned!
Big Words
- Propulsion system — the part of a spacecraft that makes it move, using engines and special fuels
- Oxidizer — a chemical that helps rocket fuel burn; without it, rocket engines cannot fire
- Crew rotation — when a fresh group of astronauts travels to the space station to swap places with the current crew
- Expedition — a long stay on the International Space Station, usually lasting about six months
Fun Fact
The International Space Station has been continuously occupied by astronauts since November 2, 2000. That means humans have been living in space without a single break for more than 25 years!
Think About It
If you were an astronaut and your launch was delayed for a few weeks, how would you spend that extra time getting ready?
Sources
- NASA — NASA, SpaceX Adjust Crew-13 Launch Date (nasa.gov blog)
- Space.com — SpaceX, NASA delay next astronaut launch to ISS due to leak on Dragon spacecraft
- WFTV — NASA’s Crew-13 launch delayed due to leaky valve
- MLQ News — NASA moves Crew-13 launch to late September after Dragon oxidizer leak