Starliner Crewed Launch Scrubbed

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Key Takeaways:

  • NASA scrubbed the first crewed launch of Boeing's Starliner capsule due to a relief valve issue on the Atlas rocket's upper stage, prioritizing crew safety.
  • The problem was detected approximately two hours before the scheduled launch, with astronauts already strapped into the capsule.
  • This valve issue is the latest in a series of delays and problems for the Starliner program, though it marks the first incident directly related to the launch system rather than the capsule itself.
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A valve issue caused NASA to scrub the first crewed launch of the Boeing Starliner capsule on Monday. The problem with the relief valve on the upper stage of the Atlas rocket was detected about two hours before the scheduled 10:34 p.m. launch from Cape Canaveral. “In a situation like this, if we see any data signature is not something that we have seen before, then we are just simply not willing to take any chances with what is our most precious payload,” United Launch Alliance spokesman Dillon Rice told reporters. ULA is providing the rocket to boost the capsule into orbit for a rendezvous with the International Space Station.

Astronauts Butch Wilmore and Suni Williams had just strapped in when the decision to scrub was made. It’s not known how long it will take to fix the valve. It’s the latest in a series of issues encountered getting the Starliner to space, although this is the first issue with the launch system. The first uncrewed test launch of the capsule in 2019 failed to get to the right orbit for the ISS. The second test reached the space station, but after it returned problems were found with the parachutes and flammable tape was discovered in the electrical system.

Russ Niles

Russ Niles is Editor-in-Chief of AVweb. He has been a pilot for 30 years and joined AVweb 22 years ago. He and his wife Marni live in southern British Columbia where they also operate a small winery.
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