You'd think there would be a larger National Guard presence since didn't they get deployed prior to adn up-to the apoaclypse to keep law adn order in the American Cities?
There is the national guard in it, quite a lot.
They're mentioned in FO3, in sad terminal entries made pre and post war outside the Germantown Police station.
There also a NG depot there. They're involved in the Keller tapes and quest that goes with it.
There also might be a NG entry in a terminal in Point lookout, but not sure.
I think they were deployed pre and post war.
The navy is mentioned a few times. With Pinkerton, etc. There is a Navy recruitment office in Point Lookout dlc.
And elsewere probabely.
The marines, not as much.
The Survivalist in Honest Hearts dlc was a marine.
I suppose they're more secretive, sometimes, and there ar'nt as many of them.
I don't know any other marine mentions.
The marines could be involved in the BoS. The BoS are from the U.S.A army afterall.
If they are, they are in it a lot, lol.