Former astronaut Steve Oswald is throws out the first pitch before a game between the Houston Astros and the St. Louis Cardinals at Busch Stadium in St. Louis on June 6, 2004. Oswald piloted two missions aboard the Space Shuule Discovery: STS-42, the International Microgravty Laboratory-mission , flown in January 1992, and STS-56, the second Atmospheric Laboratory for Applications and Science-mission flown in April 1993. He also commanded STS-67 in March 1995. (UPI Photo/Bill Greenblatt)