On January 28, 1986, the nation watched in horror as the Space Shuttle Challenger exploded just 73 seconds after liftoff, killing all seven crew members aboard, including Christa McAuliffe, the first civilian selected to fly into space. The devastating tragedy unfolded live on television, shattering the dreams of millions of schoolchildren who had tuned in to witness this historic mission.

Dan is joined by British journalist and former U.S. correspondent for The Sunday Telegraph Magazine Adam Higginbotham to explore what caused the explosion and how the disaster exposed a deeply flawed decision-making process within NASA, as well as the bravery of the whistleblowers who challenged authority and paid a heavy price.

Adam's book is called Challenger: A True Story of Heroism & Disaster at the Edge of Space.

Produced by James Hickmann and edited by Dougal Patmore.

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