U.S. President Obama speaks to astronauts on the International Space Station from Washington

U.S. President Barack Obama, flanked by Congressional leaders and middle school students from Michigan, Florida, and Nebraska, congratulates the astronauts on the International Space Station and the Space Shuttle Endeavour STS-130 Mission on their successful ongoing mission from the Roosevelt Room of the White House in Washington on February 17, 2010. UPI/Olivier Douliery/Pool