"We learn some small things, and then we go investigate ... NASA officials have long identified valves as a leading concern for the US space industry. These devices are used in propulsion ...

The spacecraft instead flew through cislunar space for 10 days before reentering ... “We then put helium on it and after a moderate, small, number of cycles, the valve leaked.

“Space is super hard ... and calls from customers to overall its approach to safety. The seemingly small valve issue found on May 6, which affected the Starliner’s Atlas V booster rocket ...

Boeing is taking a few extra days to resolve a small helium leak on the Starliner spacecraft slated to ferry two NASA astronauts on a test flight to the International Space Station, officials said ...