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COLUMBIA MEMORIAL SERVICE 10 KB
KEVIN BARTRAM/The Daily News.President George W. Bush is flanked by NASA Administrator Sean O'Keefe, left, and Cpt. Kent V. Rominger, Chief of the Astronaut Corps, during a memorial service for the astronauts who died aboard the space shuttle Columbia on Saturday at NASA's Johnson Space Center in Houston on Tuesday, Feb. 4, 2003.