Mission Specialist Barbara Morgan (L) and Mission Specialist Dave Williams make their way to Launch Complex 39A to board NASA's Space Shuttle Endeavour for mission STS-118 at the Kennedy Space Center, Florida on August 8, 2007. The Endeavour's seven person crew, including teacher/astronaut Barbara Morgan, is on an 11 day service mission to the International Space Station This is the first mission for the Shuttle since 2002. (UPI Photo/Kevin Dietsch)