40th Anniversary of the first NASA deaths: Apollo 204

There are two good articles that have come out on the 40th anniversary of the Apollo 1, nee Apollo 204 "mishap", in which Roger Chafee, Ed White and Gus Grissom died. The articles discuss the losses of the vehicles & crew of Apollo 1, Challenger in STS-51-L, & Columbia in STS-107.

Forty years later, pad tech recalls Apollo fire

NASA must fight the forgetting


Also:

The Columbia Timeline: STS-107