You make a very valid point about casualty rates, though I am just about certain that Jim Lovell would have been eager to go regardless. Getting back to casual

You make a very valid point about casualty rates, though I am just about certain that Jim Lovell would have been eager to go regardless. Getting back to casualty rates, I think you have to at least put them on a log scale to get a feel for their impact on society, at least as long as they are less than the survivorship rate.