The launch of the Boeing Starliner is set to begin a long-awaited mission with a NASA crew

Terry Reyna/AP

Boeing’s Starliner capsule, housed atop an Atlas V rocket, was launched to the launch pad at Space Launch Complex 41 at Cape Canaveral Space Force Station in Florida on May 4.

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Two NASA astronauts arrived in the final hours before a long-awaited launch attempt aboard Boeing’s Starliner capsule, the first crewed mission for the brand-new spacecraft.

Starliner – designed by the aviation giant to compete with it SpaceX’s prolific Crew Dragon capsule – It is scheduled to lift off for its inaugural crewed test run at 10:34 p.m. ET on Monday from Space Force Station Cape Canaveral in Florida.

NASA will Webcast The event on its channels begins at 6:30 PM ET on Monday. CNN will stream live updates of the mission online shortly before liftoff.

Weather or technical issues could always force a rocket launch to move all the way until the countdown clock hits zero, but the forecast for this evening is as good as it can get. Weather officials said there is only 5% chance Clouds, winds or storms will interrupt tonight’s takeoff.

This mission, called the Crew Flight Test, could be the last major milestone before NASA deems Boeing’s spacecraft ready for routine operations as part of the federal agency’s Commercial Crew Program. The Starliner vehicle will join SpaceX’s Crew Dragon in NASA’s push to collaborate with private industry partners, expanding U.S. options for transporting astronauts to the International Space Station.

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The mission crew consists of veteran astronauts Sonny Williams and Butch Wilmore, both of whom have ventured into space on two previous flights aboard NASA’s space shuttle and Russian Soyuz missions.

Terry Reyna/AP

NASA astronauts Sonny Williams (L) and Butch Wilmore pose after arriving at Kennedy Space Center on April 25, in Cape Canaveral, Florida, before a Boeing Starliner crew flight test.

“They’re checking a lot of systems: life support, manual control,” NASA Administrator Bill Nelson said during a press conference on Friday. “That’s why we put test pilots on board – and of course Butch and Sonny’s CVs are extensive.”

This will be only the sixth maiden flight of a manned spacecraft in US history, Nelson noted: “It started with Mercury, then with Gemini, then with Apollo, then the Space Shuttle, then Dragon (SpaceX) – and now Starliner.”

Williams would also become the first woman ever to join such a mission.

If all goes as planned, the crew will board a Starliner capsule and lift off on an Atlas V rocket Monday night. The spacecraft – carrying the astronauts – will separate from the rocket after reaching orbit and start operating its own engines. The Starliner vehicle will then spend more than 24 hours gradually making its way to the space station, where the vehicle is expected to dock at 12:46 a.m. ET on Wednesday.

Williams and Willmore are scheduled to spend about a week aboard the orbiting laboratory, joining the spacecraft Seven astronauts and astronauts Already on board, while the Starliner is still docked outside.

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The two will then return home aboard the same Starliner capsule, which is expected to land by parachute at one of several designated locations throughout the southwestern United States.

There’s a lot riding on a smooth test ride. NASA waited half a decade for Starliner to begin crewed launches, and Starliner development has faced years of delays, setbacks, and errors. More broadly, Boeing as a company has been plagued for years by scandals in its aircraft division that have tarnished the longstanding aviation giant’s brand.

“We went through a very rigorous process to get here,” Mark Nappi, vice president and Starliner program manager at Boeing, said of the development process during a news conference on Friday. “The truth is that my confidence comes from going through this process.”

If the crew’s test flight is successful, it could put Boeing in line to begin routine flights to the space station on behalf of NASA.

The US space agency chose Boeing to develop the Starliner — along with SpaceX and its Crew Dragon capsule — in 2014, in the hope that commercial companies could create complementary new means of transporting astronauts to the International Space Station after the space shuttle program is retired in 2011.

SpaceX eventually overtook Boeing at the launch pad, conducting crewed flight testing of its Crew Dragon capsule in May 2020. SpaceX handled most of the Of NASA’s crew transportation needs ever since.

“We’re cheering for SpaceX. This is something that’s very important to our country and it’s very important for NASA to be able to access that.” Nabi said during a press conference in March. “We look forward to offering (astronaut transportation services) as well.”

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