Depends. They found a new treatment where someone young with compatible blood and genetics (like a grandkid) can do blood transfusions and adrenachrome, and they found proteins in rats that is identical in humans (and most mammals) that can be injected to make old people young again. Also adipose stem cell treatment where they take your own stem cells multiply them in a bio reactor and inject them into your blood and organs. Lots of ways to make him young again.
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Only asking because we're talking about the who has authority to deploy National Guard divisions generally, the D.C.N.G. specifically --not the *federal* military.
But please, do continue; demonstrate how state governors, the POTUS are obligated to get permission from Congress before deploying their respective N.G. forces. Before you try, though, maybe actually read the Act. LOL"
The Posse Comitatus Act (1878) generally prohibits the use of the U.S. Army (and later the Air Force, and by policy the Navy and Marine Corps) for domestic law enforcement against U.S. civilians. It is the main legal barrier to using federal military forces as a police force inside the United States. There are limited exceptions (e.g., certain emergencies, National Guard under state control, or specific congressional authorizations).