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TSMC makes semiconductors used in F-35 fighters and a wide range of “military-grade” devices used by the U.S. Department of Defense (DoD).

https://www.csis.org/analysis/semiconductors-and-national-de...

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DoD primes integrate COTS systems, many of which heavily integrate COTS components, e.g. FPGAs designed by Xilinx and manufactured by TSMC.

What the parent is referring to is DMEA's Trusted Foundry Program[1], of which TSMC is not an accredited supplier of foundry services.

[1] https://www.dmea.osd.mil/otherdocs/accreditedsuppliers.pdf

Which ironically they are trying to move away from(custom ASICS), towards more fpga based systems, since they can be somewhat harder to reverse engineer (battery back your memory/processor and scramble the bitstream when the device is tampered with).

TSMC makes commercial off the shelf chips fore everything, and the DoD happens to make use of some of those off the shelf parts as well, like the FPGAs in the article, but they aren't bespoke designs made to order from the DoD like the ones made on the fabs specific for that.

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