[Magnum44]

I think most of the failure mechanisms in a car are understood. Its not even a close analogy.

There are protocols in this business that are followed, whether it is to reduce risk of loss of life, or the risk of loss to investors. You don't ask companies, or taxpayers to spend hundreds of millions of dollars (or lives) without trying to fully understand the risks they are taking.

[AdA$tra]

....spend hundreds of millions of dollars (or lives....

How many millions of lives have been save by advances brought forth by the space program? These people volunteer for this fairly dangerous duty in order to advance mankind's agenda. For their sake and ours, let's not wimp out now. Get back on the horse and ride....if you need a volunteer....sign me up.