“Whoever, except in cases and under circumstances expressly authorized by the Constitution or Act of Congress, willfully uses any part of the Army or the Air Force as a posse comitatus or otherwise to execute the laws shall be fined under this title or imprisoned not more than two years, or both.”

The Posse Comitatus Act was passed after the Civil War for a reason

Any attempt to send federal troops into civilian law enforcement is a speed run toward a police state