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Rudiy27
3 years ago
14

NASA SPACE SHUTTLE QUESTION:

Engineering
1 answer:
vfiekz [6]3 years ago
8 0

Explanation:

The Challenger accident made them aware of the risks. They had been a little naive, since it was never believed that such a thing could happen. This, together with Space Shuttle Columbia disaster revealed the risks of the space shuttle program, which also had very high maintenance costs.

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