Fifty years ago, a Saturn V rocket roared off a launch pad carrying humans for the first time on a journey to the moon. Apollo 8 was a triumphant way to end one of the most traumatic years in American history. 

In 1968, spaceflight was in its infancy, and was a thing of wonder. Walter Cronkite anchored CBS News coverage from the Kennedy Space Center. Fifty years later, CBS News met one of the astronauts, Jim Lovell, at the National Air and Space Museum in Washington.

"Sometimes I look back and say, you know, 'How did we ever do that?" he said.