Psychological Harassment Information Association

- The bond they share makes it easier to focus on why they are there.
- "we do what we do because we feel very passionate about it. We don't do it because we are women; we do it because we really want to be part of exploring the Universe."

NASA's women astronauts share a bond that dates back a quarter of a century. CNN's John Zarrella reports.
http://cnn.com/video/?/video/living/2010/03/29/zarrella.astronaut.tips.cnn