Roger Boisjoly, 73, Dies; Warned of Shuttle Danger

[unable to retrieve full-text content]Mr. Boisjoly wrote a portentous memo six months before the Space Shuttle Challenger?s explosion, warning that if it was too cold, seals connecting sections of the shuttle?s rocket boosters could fail.

Source: http://feeds.nytimes.com/click.phdo?i=c84975776d2bba639b7bc91ed158edd2

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