Mission specialist Kalpana Chawla is shown during a training session at the Kennedy Space Center in Cape Canaveral, Fla. in this Dec. 17, 2002 file photo. Chawla is one of the seven astronauts killed when the space shuttle Columbia broke apart in flames 200,000 feet over Texas on Saturday just minutes before they were to land in Florida.
Mission specialist Kalpana Chawla is shown during a training session at the Kennedy Space Center in Cape Canaveral, Fla. in this Dec. 17, 2002 file photo. Chawla is one of the seven astronauts killed when the space shuttle Columbia broke apart in flames 200,000 feet over Texas on Saturday just minutes before they were to land in Florida. NASA AP
Mission specialist Kalpana Chawla is shown during a training session at the Kennedy Space Center in Cape Canaveral, Fla. in this Dec. 17, 2002 file photo. Chawla is one of the seven astronauts killed when the space shuttle Columbia broke apart in flames 200,000 feet over Texas on Saturday just minutes before they were to land in Florida. NASA AP