>>4611217 (lb)

Posse Comitatus is impacted by insurrection act which Q has pointed to in the past.

''The Insurrection Act of 1807 is a United States federal law (10 U.S.C. §§ 251–255)[1] (until 2016, found at 10 US Code, Chapter 15, §§ 331-335, renumbered to 10 USC, Chapter 13, §§ 251-255) that governs the ability of the President of the United States to deploy military troops within the United States to put down lawlessness, insurrection, and rebellion. The general purpose is to limit presidential power, relying on state and local governments for initial response in the event of insurrection. Coupled with the Posse Comitatus Act, presidential powers for domestic law enforcement are limited and delayed.

https://en.wikipedia.org/wiki/Insurrection_Act

Insurrection act says that President can field troops in cases of lawlesness, insurrection and rebellion.

Definition of insurrection:

Insurrection refers to an act or instance of revolting against civil authority or an established government. It is a violent revolt against an oppressive authority.

https://definitions.uslegal.com/i/insurrection/