This would be another crime to add to his growing list.
Throw enough mud and some will eventually stick.

https://www.military.com/daily-news/2024/07/12/what-happens-if-president-issues-potentially-illegal-order-military.html
https://jsc.defense.gov/Portals/99/Documents/2019%20MCM%20(Final)%20(20190108).pdf

The Oath from Title 10 of the US Code §502:
“I, __________, do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic; that I will bear true faith and allegiance to the same; and that I will obey the orders of the President of the United States and the orders of the officers appointed over me, according to regulations and the Uniform Code of Military Justice. So help me God.”

The Uniform Code of Military Justice Articles 90 and 92 contain the specification that the compliance with orders from superiors must be to legal orders for any potential charges to be brought.

The Posse Comitatus Act of 1878 forbids this activity as it would be tantamount to tyranny.

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