After yesterday’s launch of the primary crewed Starliner mission was scrubbed, NASA, Boeing and ULA made the choice to attend a couple of days earlier than making one other try. Starliner was scheduled to lastly raise off on Saturday afternoon after a sequence of delays, however this try was aborted attributable to a last-minute problem with a floor pc system that performs a key function in launching the rocket. Whereas NASA and companions mentioned presumably flying at this time following their evaluation of the problem, they’ve determined to carry off till the subsequent alternatives, both on June 5 or 6.
Saturday’s launch wasn’t scrubbed attributable to an issue with the Starliner craft itself, however as a result of an computerized maintain was issued by the bottom launch sequencer for a then-unknown purpose. In a press convention afterward Saturday, Tory Bruno, president and CEO of ULA defined that it got here all the way down to an issue in verifying the launch sequencer’s redundancy. There are three giant computer systems on this system, all of that are the identical so it’s “triple redundant,” Bruno mentioned. In the course of the system well being verify within the minutes earlier than launch, one of many computer systems got here up gradual, triggering an computerized maintain.
NASA mentioned the choice to forgo at this time’s launch try was made with the intention to “give the group further time to evaluate a floor assist gear problem.” The launch window opens once more on June 5, however no goal liftoff time has been introduced simply but. If Starliner doesn’t fly by June 6, it’ll be set again by not less than one other 10 days, ArsTechnica experiences, because the ULA group might want to swap out the Atlas V rocket’s batteries.
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