CAPE CANAVERAL, FL - JUNE 4: STS-127 astronauts (L to R) Tom Marshburn, Christopher Cassidy, Canadian Julie Payette, Pilot Doug Hurley and Commander Mark Polansky pose for a photo after walking out of the operations and checkout building during the terminal countdown demonstration test at Kennedy Space Center on June 4, 2009 in Cape Canaveral, Florida. The Endeavour astronauts were performing the full dress rehearsal for their launch scheduled for June 13 to the International Space Station. (Photo by Matt Stroshane/Getty Images)
