One of the reasons the Challenger went down was related to use of politically correct “green†materials. Don’t trust me. Research it.
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Don’t need to. I’m pretty sure you’re thinking of the foam on the external tank that led to the loss of Columbia. I also think that’s been debunked.
The bottom line is the Shuttle was a bad design from a safety standpoint.
You are correct. I conflated the two. Sigh.
And I did not know the Columbia part was debunked. Sigh again.