In the event of war, or sufficient provocation elsewhere, you'd think that Kaliningrad is compact enough that its harbors could be swarmed by underwater autonomous vehicles on missions ranging from recon to harassment to kabooms. After that it'd be an ECM battle to reduce its air defence.
What could Russia do if the exclave were simply taken over or assimilated? It doesn’t seem very defensible, and I doubt Russia wants to provoke a bigger conflict at this time. Isn’t this the right moment to contain this “fear”?
When Russia invade Ukraine within days I had made up my mind what I would do if I was in charge of "the west":