Space shuttle Atlantis commander Scott Altman, left, answers a question at a news conference, along with crew members, from second left, pilot Gregory C. Johnson and mission specialists, Michael Good, Megan McArthur, John Grunsfeld, Michael Massimino and Andrew Feustel, at Kennedy Space Center in Cape Canaveral, Fla., Tuesday, Sept. 23, 2008. Credit: AP Photo/John Raoux
