The Phoebus-2A was the most powerful nuclear reactor of any type ever created. Unlike most reactors, which generate electricity, the Phoebus-2A produced thrust to take astronauts to Mars. And it worked! Unfortunately, LASL's Rover Program was never given permission to flight test this remarkable rocket engine. The program collapsed - along with America's ambition to visit Mars - in the early 1970s. Could we see nuclear rockets again in the future?

Historian Alan B. Carr presents the story of the Rover Program, Beyond the Moon:

   • Alan B. Carr "Beyond The Moon"