Posted on 02/22/2003 9:11:30 PM PST by Pokey78
Space Shuttle Exempted From Some Maintenance
For years before it broke apart in the skies over Texas, the space shuttle Columbia was beset by recurring problems, glitches and close calls.
In 20 of its 28 missions, the first in 1981, Columbia experienced mechanical or technical problems at launch or in orbit. Those problems caused Columbia to have more flight delays than any other orbiter, a review of thousands of pages of NASA documents and interviews show.
While nobody is yet sure what caused Columbia's catastrophic ending this month, between 1996 and 1999 the orbiter had at least five "escapes" -- a NASA term for a mission that flew with a problem that only "luck or providence" prevented from causing serious damage. On another launch, a worker made what NASA calls a "diving catch," meaning his diligence caught a flaw routine checks had missed.
(Excerpt) Read more at washingtonpost.com ...
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