It looks like a "Mo-ma class" AGI. I flew on quite a few of them during "the day".
When we were out of Kings Bay there was one that alternated between watching Mayport and KB. It was part of the pre-patrol briefing. The CG kept an eye on it, probably P-3s too. We never knew the current intel source, just where it was.
It hung out near the 3-mile limit, with a little slop. I smile at the news hysteria recently about one being what? seventeen miles out? "Ours" was a nasty looking vessel, rusty, oily. Not a proud example of the Red Fleet to say the least. It would always get in the way and force us to maneuver, I'm sure with narrow-band tape decks frantically recording our screw signature. There was a really fat, hideous-looking woman on one who was often on deck during our encounters, sometimes dumping a pail of galley slops over the side. Maybe a Soviet up-yours to the imperialist running dogs.
We were already at a Full bell, so we'd kick it to Flank and walk away from the thing. A game. Not a game. The general public blissfully unaware.