Boeing, NASA hoping third time's the charm to launch new Starliner spacecraft with astronauts
CBC
Today, Boeing, NASA and United Launch Alliance (ULA) hope to finally have a successful crewed launch of Boeing's new CST-100 Starliner spacecraft.
The launch is scheduled for 10:52 a.m. ET.
This comes after their second launch attempt was scrubbed with just three minutes and 50 seconds left on the clock on Saturday, with astronauts Suni Williams and Butch Wilmore strapped in and ready to go.
"We got really close today," said Steve Stich, manager of NASA's commercial crew program, in the news conference following the launch call-down.
"I know it's a little disappointing. We were all excited. This is kind of the way space flight is."
In that news conference, officials said the countdown clock automatically stopped due to a "failed power distribution source" on ULA's Atlas V rocket, which initially triggered a launch hold. However, the rocket had an instantaneous launch window, meaning it had to launch at a precise time.
The teams replaced the part over the weekend.
"I really appreciate all the work by the NASA, Boeing and ULA teams over the last week," Stich said.
"In particular, the ULA team worked really hard to quickly learn more about these issues, keep our NASA and Boeing teams informed and protect for this next attempt. We will continue to take it one step at a time."
In 2014, NASA gave contracts to both SpaceX and Boeing to provide a new spacecraft capable of ferrying astronauts to the International Space Station (ISS), as the space agency had mothballed its space shuttle program and was reliant solely on Russian Soyuz rockets.
SpaceX successfully began launching astronauts to the ISS in 2020. However, Boeing has faced several setbacks and cost overruns, and has yet to conduct a successful crewed test launch.
Saturday's scrub follows a previous attempt on May 6, which was called off due to an oxygen leak on ULA's Atlas V rocket.
However, issues with the spacecraft were discovered once the rocket was rolled back to ULA's Vertical Integration Facility, which also included a helium leak, which was not fixed ahead of Saturday's launch.
NASA and Boeing said that there was no danger to the astronauts launching with such a small leak.
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This story is part of CBC Health's Second Opinion, a weekly analysis of health and medical science news emailed to subscribers on Saturday mornings. If you haven't subscribed yet, you can do that by clicking here.
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