Jun 25 2002
From The Space Library
NASA announced that it had grounded all four Space Shuttles because of newly discovered mechanical problems, postponing indefinitely the launch of Space Shuttle Columbia. Previously, NASA had scheduled Columbia's launch for 19 July 2002. According to NASA officials, engineers had found small fissures in metal liners within the fuel pipes of the main engines of Shuttles Atlantis and Discovery. If left unrepaired, the cracks could cause pieces of the liners to break off, possibly damaging a Shuttle's engine while in flight. (Warren E. Leary, “Shuttle Fleet Is Grounded To Fix Cracks,” New York Times, 26 June 2002.)
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