In a perfect world, it would be the 3rd US Infantry Regiment from Ft. Myer, aka ‘The Old Guard’, that would be highly appropriate if for no other reason than ceremonial.
In reality it could be any special unit that we may or may never have heard of before, why? Because I refuse to believe that there have not been contingency plans on the shelf in all branches of our military to deal with the remote possibility that a foreign flag agent might somehow gain control of the mechanisms of the Executive Branch, specifically the authority and command functions of the POTUS.
In such a situation, it would be my expectation that a specific unit, most likely assembled from special operation types of all four military branches, none of them knowing each other, but all of them having specific detailed orders not unlike the sealed launch codes used by SAC during the Cold War. In this case the ‘launch code’ would be for the apprehension and arrest of one or more clearly identified individuals acting in behalf of America’s adversaries. Such a unit and the orders issued to the members of that unit are most likely not documented in order to preserve the operational integrity of the unit.
As to who gives the activation order to such a unit?
That is the $64,000 question.
Makes sense. There are contingency plans for darn near everything else.
I was hoping that is what you had to say because I've been thinking along the same lines.
I read your posts here frequently and respect what you have to say.
As for that $64k question, if this pans out the way we are discussing, do you think we'll ever find out who gave the activation order? I would assume it would be a General or perhaps a civilian at the Pentagon?
The short answer:
It will be conducted by military officers who are faithful to the oath they and each Congresscritter swore to. That oath, as you well know, was not to defend the country, or the President. It was an oath to defend the Constitution.
Many will be surprised when the officers take their oath more seriously than did the Congress on Jan 8, 2009.