NASA administrator Bill Nelson announced today that US astronauts Sunita Williams and Barry Wilmore will return next February with the SpaceX Crew-9 mission after spending more than 80 days aboard the International Space Station (ISS).
According to NASA Commercial Crew Program manager Steve Stich, “As we got more and more data over the summer and understood the uncertainty of that data, it became very clear to us that the best course of action was to return Starliner uncrewed.” He said NASA found “there was just just too much uncertainty in the prediction of the thrusters.”
“If we had a way to actually predict what the thrusters would do, for the undock, and all the way through the de-orbit burn, and through the separation sequence, I…
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