NASA’s Boeing Starliner Crew Flight Test Scrubbed Due to Unexpected Valve Glitch

NASA, Boeing, and United Launch Alliance scrubbed the launch opportunity on Monday, May 6 for the agency’s Boeing Crew Flight Test to the International Space Station due to a faulty oxygen relief valve observation on the United Launch Alliance Atlas V rocket Centaur second stage.

NASA astronauts Butch Wilmore and Suni Williams exited the Starliner spacecraft at Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida and will return to astronaut crew quarters.