The Battle of the Eagles
Partizanska eskadrila (original)
The first Yugoslav Partisan air force unit. Loosely based on historical facts.
Starring Bekim Fehmiu, Bata Živojinović, Ljubiša Samardžić, Radoš Bajić, Radko Polič, Branko Pleša, Faruk Begolli, Branko Đurić, Jordančo Čevrevski, Zlata Petković
Watch "The Battle of the Eagles" from streaming services Amazon Prime, Tubi TV, Amazon released in 1979. It's a drama and history movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.