Crew members autograph mementos for attendees following a presentation about the astronauts' experiences on the mission.

STS-127 crew members autograph mementos for attendees following a presentation about the astronauts' experiences on the mission. Seated top to bottom at right are Commander Mark Polansky, Pilot Doug Hurley, and Mission Specialists Christopher Cassidy, Julie Payette, Tom Marshburn and Dave Wolf. The STS-127 mission was the final of three flights dedicated to the assembly of the Japanese Kibo laboratory complex on the International Space Station. The crew launched on space shuttle Endeavour on July 15 and returned July 31. Photo credit: NASA/Jim Grossmann