Not surprising since the Black Sea borders Russia just as we send up fighters to intercept Russian bombers approaching the Alaska Air Defense Zone. In fact, just a day earlier F22's had intercepted 3 groups of two bombers each. No video that I could find from that intercept but the B52 crew managed to get some great video of Russian fighters intercepting them. https://www.foxnews.com/world/us-b-52-buzzing-by-two-russian-jets-was-unsafe-unprofessional-air-force-says
What's the point of an open door policy if inside the open door sits a closed mind?