"At NASA, the core value of safety is – and must forever remain – our top priority, especially as our missions explore more of the cosmos than ever before," Nelson said in the press release. NASA said that the loss of the Challenger and another shuttle, Columbia - which also had seven astronauts on board when it broke up on reentry into the Earth's atmosphere in February 2003 - "greatly influenced" NASA's safety culture and led to the foundation of new risk assessment procedures and the creation of an Office of Safety and Mission Assurance. That mission, which was NASA's 25th shuttle mission, was the last Challenger shuttle launched. The major malfunction, which happened just 73 seconds after liftoff, was blamed on unexpectedly cold temperatures affecting the integrity of seals in the rocket booster. NASA's STS-51L crew members pose for a photo. Christa McAuliffe were also part of the crew. Seven people were aboard, including mission commander Francis R. The Challenger space shuttle exploded shortly after launch on Jan. "This discovery gives us an opportunity to pause once again, to uplift the legacies of the seven pioneers we lost, and to reflect on how this tragedy changed us."
28, 1986, still feels like yesterday," Nelson said.
For millions around the globe, myself included, Jan. "While it has been nearly 37 years since seven daring and brave explorers lost their lives aboard Challenger, this tragedy will forever be seared in the collective memory of our country.
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