In this photo released by NASA, Maryland native and space shuttle STS-119 Mission Specialist, Richard Arnold throws out the ceremonial first pitch before the Baltimore Orioles-Los Angeles Angels baseball game, Wednesday, April 29, 2009 at Camden Yards in Baltimore. Pictured, from left, behind Arnold are fellow STS-119 crew members, Tony Antonelli, Joseph Acaba, Steve Swanson and John Phillips. Also joining the crew, but not pictured was NASA Astronaut Lee Archambault. AP Photo logo AP Photo 7 months ago

In this photo released by NASA, Maryland native and space shuttle STS-119 Mission Specialist, Richard Arnold throws out the ceremonial first pitch before the Baltimore Orioles-Los Angeles Angels baseball game, Wednesday, April 29, 2009 at Camden Yards in Baltimore. Pictured, from left, behind Arnold are fellow STS-119 crew members, Tony Antonelli, Joseph Acaba, Steve Swanson and John Phillips. Also joining the crew, but not pictured was NASA Astronaut Lee Archambault.