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NASA acknowledges it cannot quantify risk of Starliner propulsion issues


"We don’t have enough insight and data to make some sort of simple black-and-white calculation."

With no consensus on the safety of the Starliner crew capsule, NASA officials said Wednesday they need another week or two before deciding whether to bring two astronauts back to Earth on Boeing's spacecraft or extend their stay on the International Space Station until next year. But after software setbacks, parachute concerns, and previous problems with its propulsion system, Boeing's Starliner program is running more than four years behind SpaceX's Dragon crew spacecraft, which flew astronauts to the station for the first time in 2020. These control jets are needed to keep the spacecraft pointed in the right direction when four larger rocket engines fire for the deorbit burn to steer the capsule on a trajectory back into the atmosphere for landing.

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