What strategic goal was served by intentionally stressing the heat shield on Flight 11?

Answer

Gathering crucial data on thermal protection system performance despite vehicle loss.

Flight 11 was designed to intentionally stress the heat shield by having missing tiles, which served the strategic purpose of gathering data on the reentry performance of the thermal protection system, even though the vehicle was lost overall.

What strategic goal was served by intentionally stressing the heat shield on Flight 11?
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