This is why they invaded Afghanistan in the first place. Their next step after what they thought would be a quick toodly-doo over the Afghanis was presumably to take a piece out of Pakistan in order to get a warm water port on the Arabian Sea.

It’s also worth noting that you lumped St Petersburg and Kaliningrad together somewhat, but they are vastly different. While St Petersburg has challenges getting to open ocean, it’s not the full-on exclave that Kaliningrad is, completely surrounded on all sides by the baltic states. I’m sure you know all of this, so this is for folks that don’t. It wasn’t entirely clear from the way you worded it.