Report of the PRESIDENTIAL COMMISSION on the Space Shuttle Challenger Accident

In this memorandum to S.R. Stein, A.R. Thompson indicates the O-ring seal problem is acute and short-term measures should be taken to reduce flight risk.

In this memorandum to S.R. Stein, A.R. Thompson indicates the O-ring seal problem is acute and short-term measures should be taken to reduce flight risk.

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