Go Boldly Expo, AirSpace Minnesota, Saint Paul Airport

Buzz Aldrin, Jack Schmitt, Curt Brown, Karen Nyberg  and other NASA Astronauts teach the general public about space exploartion and mentor the next generation at the Go Boldly Expo, sponsored by AirSpace Minnesota, April 26, 2014, Saint Paul, Minnesota. Photography & Video: Kevin Callahan, Eighth Air Force Historical Society of Minnesota (8th AFHS-Mn).