During the cold war, huge Soviet Bear or Bison Bombers greeted every carrier on entry to the Med. Of course, there were always a couple of USN fighters in close trail.
It is called freedom of navigation. Absent hostile intent, like fire control emissions, open bomb bay doors there is nothing to be done.
I served over two years at sea aboard the Constellation and the Ranger in two different fighter Squadrons,68 to 72,I have super 8 film I took of Russian bear Bombers Flying right along side our ship,everyone knew they would be coming they even had a name for it ,Operation Brown Bear.
We would launch our alert Five aircraft to intercept them before they were in sight and you could see them as they came over the Horizonquite a sight they are huge and our F4 Phantoms would be right with them every step of the way ,as I said I have the Film