Marching Through Georgia and The Stone Dogs have some good scenes. They also have the Draka, a dominating nation of people. They're what the Nazis wanted to be. That makes "The Stone Dogs" disturbing. Marching Through Georgia is much less so. (The title Marching Through Georgia is a pun. They're marching through Soviet Georgia in a WWII alternate history.)
"The General" series (aka the "Raj Whitehall" series) is mostly
co-written by David Drake and S. M. Stirling. The Chosen has a very Draka-like nation as a
villain. Those of you who love to hate the Draka will probably like
this book.
Baen has a large free sample from the book available
here:
The Mercenary, by Jerry Pournelle
All the best,
Joe Bednorz