[gitmo]

That's part of the ongoing role of the USCG. I'll bet the Marines, Navy, and USAF jumped the gun. Again, the assumption generally is that the state requests help immediately. Alabama and Mississippi did.

A place where the Feds exceeded their authority is using the National Guard to enforce the peace. It is strictly forbidden to use Federal Troops as law enforcement within the country.

[aspiring.hillbilly]

"t is strictly forbidden to use Federal Troops as law enforcement within the country."

That is a misunderstanding not supported by the Constitution, which says:

Section 4.

The United States shall guarantee to every State in this Union a Republican Form of Government, and shall protect each of them against Invasion; and on Application of the Legislature, or of the Executive (when the Legislature cannot be convened) against domestic Violence.

Note the last three words. What is prohibited is using federal troops as ongoing law enforcement after the situation of Domestic Violence has been remedied.

[spanalot]

"I'll bet the Marines, Navy, and USAF jumped the gun"

And I bet their 2000 rescues a day and their Commander in Chief are very grateful.