If trump is no longer president and the military chooses to follow his orders anyway, we have a rouge military. The military that follows orders from the chain

If trump is no longer president and the military chooses to follow his orders anyway, we have a rouge military. The military that follows orders from the chain of command fights the rouge, and it at worst escalates to civil war. That's pretty much why military is so rank and file and is trained to remain non-partisan in uniform. That scenario above is how we devolve the entire structure into fighting amongst one another. The military is under command of the Commander-in-Chief, not who they think is CiC.