Keith’s note: STS-127 has been scrubbed once again. Next attempt on Wednesday at 6:03 pm EDT. Live webcast coverage by Miles O’Brien and David Waters at Spaceflight Now.
Video below.

Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member 🖖🏻