On Launch Pad 39A at NASA's Kennedy Space Center in Florida, STS-127 Commander Mark Polansky relaxes after emergency exit practice, part of the terminal countdown demonstration test, which concluded with a simulated launch countdown. 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 scheduled for June 13 at 7:17 a.m. EDT. Photo credit: NASA/Kim Shiflett