Please read the book entitled “The Long Walk” by Slavomir Rawicz. It’s a true story of a trek to freedom.
I read it for prep for SERE school. Excellent.
Another great book on Polish WW2 pilots.
A Question of Honor.
https://www.amazon.com/dp/B001334IVU/ref=dp-kindle-redirect?_encoding=UTF8&btkr=1#nav- subnav