AdvertisementExploring Space, Unearthing Human EmotionsPlay09:48Download AudioJuly 13, 2011NPR StafffacebookEmailEllen Ochoa (left), the first Hispanic female astronaut, and Major Eileen M. Collins, the first woman to be named as a pilot candidate, begin their first day of candidate training at NASA in Houston, Texas, on July 16, 1990. (AP)
