> NASA's guidelines are not written in blood I can think of at least three NASA missions that resulted in deaths: Apollo 1[1], and the Challenger[2] and Columb

> NASA's guidelines are not written in blood I can think of at least three NASA missions that resulted in deaths: Apollo 1[1], and the Challenger[2] and Columbia[3] space shuttles. [1] https://en.wikipedia.org/wiki/Apollo_1 https://en.wikipedia.org/wiki/Apollo_1 [2] https://en.wikipedia.org/wiki/Space_Shuttle_Challenger_disaster https://en.wikipedia.org/wiki/Space_Shuttle_Challenger_disas... [3] https://en.wikipedia.org/wiki/Space_Shuttle_Columbia_disaster https://en.wikipedia.org/wiki/Space_Shuttle_Columbia_disaste...