Mission Specialist Julie Payette answers a question during a session with the media at NASA Kennedy Space Center's Launch Pad 39A.

STS-127 Mission Specialist Julie Payette answers a question during a session with the media at NASA Kennedy Space Center's Launch Pad 39A. Payette represents the Canadian Space Agency. The crew is at Kennedy for a launch dress rehearsal called the terminal countdown demonstration test, or TCDT, which includes emergency egress training and equipment familiarization. Space shuttle Endeavour's STS-127 mission is the final of three flights dedicated to the assembly of the Japanese Kibo laboratory complex on the International Space Station. Endeavour's launch is targeted for June 13. Photo credit: NASA/Kim Shiflett