Boeing will try again to launch astronauts on its spaceship this weekend

Boeing is gearing up for yet another attempt to launch

can authorize Boeing to conduct routine trips to the orbiting outpost, which would give it a long-awaited second option to SpaceX’s Crew Dragon capsule. Boeing’s May 6 launch was canceled because of an issue with a valve on the Atlas V rocket. . The discovery forced additional delays to a project that already has faced years of setbacks and budget overruns. At a news briefing last week, mission controllers said the rocket’s valve was successfully replaced but added that the helium leak would not be repaired before the coming flight. Steve Stich, manager of

, Boeing and United Launch Alliance met Wednesday for a readiness review and officially voted to continue with Saturday’s launch preparations. Wilmore and Williams, who quarantined in Houston while engineers worked on the rocket and the spacecraft, arrived back at

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