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Propulsion & Power

Dragon oxidizer leak delays NASA Crew-13 launch

By SpaceEnergy 29 August 2026 1 min read
Dragon oxidizer leak delays NASA Crew-13 launch
The four members of NASA’s SpaceX Crew-13 mission. Source: NASA/Morgan Gridley

(SpaceEnergy) NASA and SpaceX have delayed the Crew-13 mission to the International Space Station after detecting an oxidizer leak in the Dragon spacecraft’s propulsion system.

NASA said the leak was found during standard prelaunch spacecraft processing. Joint NASA and SpaceX teams are conducting additional testing and reviewing data, with any necessary rework to be completed before launch.

The agency said a new target launch date will be announced once available. Crew-13 had been preparing to launch aboard a SpaceX Dragon spacecraft on a Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida.

The mission will carry NASA astronauts Jessica Watkins and Luke Delaney, Canadian Space Agency astronaut Joshua Kutryk and Roscosmos cosmonaut Sergey Teteryatnikov to the International Space Station, where they will join Expedition 75.

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