Shuttle valve passes troubleshooting test

A suspect fuel valve on the space shuttle Discovery functioned correctly five times during launch pad tests on Wednesday, NASA said. The results mean there's still a chance that NASA will go ahead with a launch attempt at 12:22 a.m. ET Friday, but the decision won't be made until Thursday afternoon, just hours before the appointed time for liftoff. More

(Source: MSNBC - Aug 27)