Louis, I see your point with your common thread with all the mishaps. Can you give some examples from the reading of how you believe overconfidence was the key factor in causing these mishaps? I can see your point with all but maybe one being because of overconfidence and that is the Space Shuttle Columbia disaster. I just do not see it. I think when it comes to doing things better it is easier to say we would delay or cancel a launch if something was wrong. However, I also think that during these times the amount of pressure politically weighed more than what we can read or see. Are these 4 mishaps acceptable losses in the grand scale? As tragic as the loss of life was, I believe this is acceptable. In any environment that puts
