The first launch attempt was scrubbed last week because of a problem with the oxygen tank.
NASA, Boeing will attempt to launch Starliner on May 21 - KING 5 Seattle
![NASA, Boeing will attempt to launch Starliner on May 21 - KING 5 Seattle](https://i.ytimg.com/vi/Aob9vyV0Rs4/maxresdefault.jpg)
The first launch attempt was scrubbed last week because of a problem with the oxygen tank.