The Apollo 11 moon mission remains one of the greatest scientific and engineering accomplishments in human history. It is even greater when you consider the extraordinary risks involved, including the very real possibility that three men could have ended up floating lifeless in space for eternity. The risks for astronauts Neil Armstrong, Buzz Aldrin and Michael Collins didn’t end when they returned to earth. Nobody was sure, because nobody had ever completed such a mission, how the lunar experience might alter a person. Or, in the case of Collins, how many hours of lunar orbit might alter a person. Collins went…