Even Hawaii is sending national guard members to Washington. In the article below it states that every state has been asked to send troops. The 25,000 number is going to get much larger. Thee is going to be representation from every state. Could it be so that there are legal witnesses to what is going to happen on inauguration day. This is not just civilian witnesses but military.
Every article I have read repeats the same mantra of a credible threat.

If your gonna have military court you will a lot off Jury
30,000 / 12 = 2500