Photo of lightning strike at launchpad. Shuttle Endeavor’s final launch (STS-134 Mission) is scheduled for this afternoon at 3:47 PM EST (2:47 PM CST). You can watch the pre-launch happenings and the launch itself on NASA’s site - http://www.nasa.gov/multimedia/nasatv/index.html
or on Ustream - http://www.ustream.tv/nasahdtv
Best of luck to you, STS-134!
[photo via Space.com]
Update - Mission scrubbed until Monday due to an issue with the APU (Auxiliary Power Unit) 1 heaters. So disappointing!