The first crewed flight of Boeing’s Starliner space taxi was postponed today due to concerns about a valve on the upper stage of United Launch Alliance’s Atlas V rocket. It was the latest in a years-long string of delays for what’s expected to be a milestone mission for Boeing and commercial spaceflight.
Liftoff had been set for 10:34 p.m. ET (7:34 p.m. PT) today from Cape Canaveral Space Force Station’s Space Launch Complex 41 in Florida. But launch managers called a hold with a little more than 2 hours left in the countdown, after NASA astronauts Butch Wilmore and Sunita Williams had already climbed into the capsule.
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