A wee bit sceptical of the predicted weather...
NASA - Space Shuttle - Launch and Landing.
Update Report: The Countdown to Launch Continues Launch week for the STS-121 mission officially began on Tuesday, June 27, with the arrival of Commander Steven Lindsey and his crew at Kennedy Space Center in Florida. Flying into the center in a squadron of T-38 jets, Discovery's crew arrived ready and excited for liftoff.
Birds come with the territory at NASA's Kennedy Space Center in Florida, which usually doesn't mind when any of the nearby Merritt Island National Wildlife Refuge's 310 species of birds swoop through for a visit. But one particular type of bird is causing concern: vultures. Bird hits Discovery's external tank during 2005 launch. That's why NASA plans to test special radar to track any vultures around Launch Pad 39B during the countdown to liftoff of Space Shuttle Discovery on mission STS-121.
During Noise Pop this year, I managed to catch 

