Many people speak Russian, including many who do not live in Russia, e.g. about 30% of Ukranians.

Beyond that, I don't see how we stand to durably reduce military action by making languages mutually unintelligible.

https://simple.wikipedia.org/wiki/Russian_language#/media/Fi...

Don't they have a partnership with the French Armed Forces? I am sure they are interested in automating Russian Audio or Text (-> Russian Text) -> French text.

They've chosen languages which would help them to cover the highest percentage of human population..