About two hours before Monday’s scheduled launch, North America’s space agency identified a valve anomaly on its Atlas V rocket, the rocket’s manufacturer, ULA Group, announced.
“NASA’s priority is safety,” said North American Space Agency Director Bill Nelson. It will take off when everything is ready, he wrote on the social network X (formerly Twitter).
It is possible that a new take-off attempt will be made today, Friday or Saturday, but a new date has not been announced yet.
Boeing is investing heavily in this latest test mission, which would allow it to join the very small club of spacecraft transporting astronauts.
The aerospace giant must prove that the vehicle is safe before it can begin regular missions to the International Space Station, four years after SpaceX.
SpaceX’s Dragon capsule joined this list in 2020, succeeding the legendary Mercury, Gemini, Apollo and space shuttle programs.
After the shuttle program ended in 2011, NASA astronauts had to travel aboard the Russian Soyuz spacecraft.
To put an end to this dependence, in 2014 the North American space agency signed contracts worth $4.2 billion (3.9 billion euros) with Boeing and $2.6 billion (2.42 billion euros) with SpaceX to develop new spacecraft.
Once Starliner is operational, NASA hopes to alternate between SpaceX and Boeing flights to ferry astronauts to the International Space Station.
After the International Space Station is deactivated in 2030, it will be possible to use the two ships to transport people to future private space stations, which several North American companies are already planning to build.
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