AP Photo/John Raoux
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Marta Lavandier
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Chris O'Meara
The space shuttle Atlantis thunders off the launch pad during lift off Friday, May 14, 2010, at the Kennedy Space Center in Cape Canaveral, Fla.
AP Photo/Chris O'Meara
The space shuttle Atlantis heads for orbit after lifting off for the last time Friday, May 14, 2010, at the Kennedy Space Center in Cape Canaveral, Fla.
AP Photo/John Raoux
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Marta Lavandier
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Chris O'Meara
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Chris O'Meara
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Tim Donnelly
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Chris O'Meara
The space shuttle Atlantis lifts off on her final flight Friday, May 14, 2010, at the Kennedy Space Center in Cape Canaveral, Fla.
AP Photo/John Raoux
Space shuttle Atlantis lifts-off from the Kennedy Space Center at Cape Canaveral, Fla., Friday, May 14, 2010. Atlantis' 12-day mission will deliver a Russian built storage and docking module to the International Space Station.
AP Photo/Florida Today, Craig Bailey
Spectators and media watch from the press site at Kennedy Space Center, Fla., as space shuttle Atlantis lifts off from Pad 39A, Friday, May 14, 2010, headed to the International Space Station.