CLEAN : Russian warships in the vicinity of NATO military exercises

The video discusses encounters with Russian ships in shared waters, emphasizing the peaceful nature of these interactions. It explains how exercises are announced annually, with navigation warnings and disclosures to ensure coordination and avoid conflicts in water and air space.

What does the phrase 'it's their own backyard' imply in the context of Russian ships operating in the area?

Why is it important for everyone to know where naval exercises are taking place?