I know, another intrusion from the civil side, but thought you might want to read this:
Report Claims Famed Russian Test Pilot Warned USAF Pilot Before Fatal Crash Near Area 51 - The Drive
In case anyone is fluent, the original piece is here:-
https://govoritmoskva.ru/news/134796/
Have no prior knowledge of Radio Moscow, so not sure how reliable they are, or whether they deal with black propaganda/alternative facts.