Another First Step for Mankind

Bruce McCandless II was an astronaut for over 25 years, aiding missions such as Apollo 11 and the Hubble Telescope. He waited 18 long years for his own chance to venture into space and take another first step for mankind. Guest: Bruce McCandless III, author of "Wonders All Around: The Incredible True Story of Astronaut Bruce McCandless II and the First Untethered Flight in Space"