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 | Barbara Morgan, with other crewmembers (not shown) of the space shuttle Endeavour leave crew quarters for the launch pad at Kennedy Space Center in Cape Canaveral, Florida August 8, 2007. Morgan was the backup for Christa McAuliffe who died in the space shuttle Challenger accident. click to open  |  | The space shuttle Endeavour lifts off from launch pad 39A at the Kennedy Space Center in Cape Canaveral, Florida August 8, 2007. Endeavour blasted off on Wednesday for a construction mission to the International Space Station, carrying a former teacher who first trained for space flight with the ill-fated Challenger crew. click to open  |  | Crowds of people in Titusville, Florida watch the space shuttle Endeavour as it launches from the Kennedy Space Center in Cape Canaveral, Florida on August 8, 2007. Endeavour blasted off on Wednesday for a construction mission to the International Space Station, carrying a former teacher who first trained for space flight with the ill-fated Challenger crew. click to open  |  | The space shuttle Endeavour lifts off from its launch pad at the Kennedy Space Center in Cape Canaveral, Florida, August 8, 2007. Endeavour blasted off on Wednesday for a construction mission to the International Space Station, carrying a former teacher who first trained for space flight with the ill-fated Challenger crew. click to open  |  | The space shuttle Endeavour lifts off from its launch pad at the Kennedy Space Center in Cape Canaveral, Florida, August 8, 2007. Endeavour blasted off on Wednesday for a construction mission to the International Space Station, carrying a former teacher who first trained for space flight with the ill-fated Challenger crew. click to open  |  | The space shuttle Endeavour lifts off from its launch pad at the Kennedy Space Center in Cape Canaveral, Florida, August 8, 2007. Endeavour blasted off on Wednesday for a construction mission to the International Space Station, carrying a former teacher who first trained for space flight with the ill-fated Challenger crew. click to open  |  | The space shuttle Endeavour lifts off from its launch pad at the Kennedy Space Center in Cape Canaveral, Florida, August 8, 2007. Endeavour blasted off on Wednesday for a construction mission to the International Space Station, carrying a former teacher who first trained for space flight with the ill-fated Challenger crew. click to open  |  | Space shuttle Endeavour astronaut Barbara Morgan approaches the microphone during a news conference after she arrived with other crew members at the space shuttle landing facility at Kennedy Space Center in Cape Canaveral, Florida August 3, 2007. Endeavour is scheduled for launch on August 8 on a mission to the International Space Station. Morgan was the backup for astronaut Christa McAuliffe who died aboard the space shuttle Challenger explosion. click to open  |  | Space shuttle Endeavour astronauts Dave Williams (L) of the Canadian Space Agency and Barbara Morgan wave following a news conference with other crew members at the space shuttle landing facility at Kennedy Space Center in Cape Canaveral, Florida August 3, 2007. Endeavour is scheduled for launch on August 8 on a mission to the International Space Station. Morgan was the backup for astronaut Christa McAuliffe who died aboard the space shuttle Challenger explosion. click to open  |  | The crew of the space shuttle Endeavour, from left, commander Scott J. Kelly, mission specialist Alvin Drew Jr, pilot Charles Hobaugh, mission specialists Dafydd Williams, of the Canadian Space Agency, Tracy Caldwell, teacher turned astronaut Barbara Morgan and Richard Mastracchio arrive at the Kennedy Space Center in Cape Canaveral, Fla. Friday, Aug. 3, 2007. Endeavour is scheduled for launch Aug. 8. click to open  |
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