We’ll see. The military is under pretty clear orders to defend the constitution from threats both foreign and domestic. Trump ia domestic threat and a fascist, and fascists flip the truth upside down, so he’ll accuse immigrants of being a domestic threat as a way of trying to convince the military to violate their oath. He’ll certainly replace legitimate generals with spineless lackey loyalists, but the oath isn’t to obey generals, it’s to protect the constitution, and it goes from top to bottom.

This will be a trickier test of the military’s quality than WW2.