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 34 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.