Past U.S. Navy captain and NASA astronaut who offered on three Space Shuttle missions. He flew aboard the Challenger, Columbia, and Atlantis. He gained a qualification in aeronautical executive from the U . S Naval Academy. He received the NASA Exceptional Management Medal in 1993 and 1994. He wedded Patti K. Opp. He and John Blaha had been both people of NASA Astronaut Group 9.