Bonnie Dunbar
Retired NASA astronaut and materials engineer who flew five Space Shuttle missions and served in roles interfacing with the Rogers Commission after the Challenger accident.
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Jan 31, 2026 • 37min
Extra: The Challenger's Legacy ... 40 Years Later
Clayton Anderson, retired NASA astronaut and engineer who flew two Shuttle missions, and Bonnie Dunbar, retired astronaut and materials engineer with five Shuttle flights, reflect on the Challenger disaster and its legacy. They discuss remembrance rituals, safety redesigns after failures, the risks of launch and reentry, program decisions around the Shuttle’s end, and paths toward returning to the Moon and reaching Mars.
