Democrats have good reason to fear the military.
Most members of the military are not democrats, and in case of a civil war, most of the military would stand with the rebellion.
Thus, the Biden administration has to keep a good eye on the members of the military, and any dubious behavior on the part of the military, would be dealt with.
https://europe.unc.edu/iron-curtain/history/the-fall-of-the-soviet-union/
When the time comes the military will be with Trump. But it does appear Trump intends to let things get really harsh first.