Administrator Sean O'Keefe also accepted responsibility for the flight schedule pressure that the investigation board said may well have prompted space shuttle managers to bypass safety before -- and especially during -- Columbia's doomed flight.
O'Keefe said that "without reservation," NASA will comply with all 29 of the investigation board's recommendations. Fifteen, all technical in nature, must be implemented before space shuttles fly again. O'Keefe declined to say when that might happen, but did not rule out the space agency's launch target of next spring.
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