feynman on nasa safety

It's undated, but from the context it appears to have been written not terribly long after the Challenger incident: Richard Feyrman's Personal Observations On The Reliability Of The Space Shuttle. Worth a read, given this weekend.

Also worth repeating, as seen in a Washington Post story, is Gus Grissom's opinion: "The conquest of space is worth the risk of life." (Grissom was one of the three astronauts that died in the Apollo I pad fire.)