Quite a bit of it actually correlates to the electronics we use in rocketry to this day. Also pretty embarrassing as far as our Military/Government/Politics are concerned. Moral of the story is: Actual testing trumps theory and or half arsed cost cutting testing pretty much every time. We have one of those displayed monuments sitting a few blocks north of us in front of the Kenosha Harbor Navy Memorial. I think it may be a Mark 16 variant though?