NASA | Hubble SM4 Trailer

Final preparations are underway for the exciting and challenging final mission to repair Hubble. Liftoff is scheduled for May 11 at 2:01 p.m. EDT, and the countdown clock will start at 4 p.m. Friday.

You can watch the prelaunch activities and the mission live on the web from NASA TV. The coverage includes a web cast the day before the launch at 12:30 EDT, news conferences and status briefings.