WASHINGTON - The United States risks “loss of leadership” is space exploration, if it fails to replace quickly its ailing shuttle fleet with a new reliable space vehicle, the head of NASA has warned.
And that will not be possible without sacrificing some valuable science programs, Michael Griffin, head of the National Aeronautics and Space Administration, told Congress Thursday.
The warning came as the House of Representatives Committee on Science pondered options in the face of the continued grounding of the space shuttle after a chunk of insulating foam fell off Discoverys large external fuel tank during lift-off last July.
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