Well, there's this forum here if you're interested -
https://www.alternatehistory.com/fo...d-weapons-of-the-freedom-party-guards.450965/
^^^ Its where a discussion about Freedom Party Guardsmen's uniforms and weapons is going on, what they may look like and such.
But you're talking about other countries outside of the Confederacy and the United States, right? Like the uniforms of Tl-191's France, Britain, Germany, and Russia?
Hm. That's a good question actually. Britain and France effectively have pro-fascist like governments in control of their countries I believe. And with Russia not being the USSR, instead continuing to be lead by a Tsar, there would absolutely be differences in uniforms to reflect this.
I got a few ideas for this, more like templates for where to start, but its something. Lets get started.
TL-191 Tsarist Russian Army Uniforms - circa 1918-1926.
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^^^ As far as the Tsarist Russians go, I believe they'd adopt uniforms akin to what the many White Russian Armies adopted during their civil war against the Bolsheviks. And since they technically won I can believe some of the uniforms would stick around too for a time. They're really quite colorful and wild actually. Now this is only for around 1918 up to the mid 1920's at least. They would definitely retain the insignia other miscellaneous uniform items for a time. Again just a starting template to go off of when trying visualize TL-191's Russian army in a certain time period.
TL-191 French Uniforms: circa 1941-1944
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^^^ Now this one might harder to visualize. Action Francaise in our time line, although far right and supported the Vichy French government, was already on its way out before the beginning of WW2 due to the rise of fascism. I'd have to look into it again in Turtledove's timeline, but I believe it wanted to restore the monarchy in France. Since the monarchy is restored in France in TL-191, we might have a change in uniforms that are similar to the Vichy French, but sport fascist symbols or insignia, instead going for more royalist looking symbols and insignia. I could be wrong though. Either way this was the closest template I could think of when visualizing what the French Army might look like if it were the bad guys.