Jacob Lewis, 8, left, sister Hope, 3, second from left, brother Caleb, 1, and their mother, Joy Lewis, right, and grandfather, Ed Blankenship, second from right, all of Stafford, Va., walk past the Rocket Garden while leaving a launch viewing area, after the Space Shuttle Endeavour launch was scrubbed, at the Kennedy Space Center Visitor Complex in Cape Canaveral, Fla., Friday, April 29, 2011.(AP Photo/Phelan M. Ebenhack)