That LitPot Link [1] to Poland looks really vulnerable if Russia / Belarus decide the Baltics need to rejoin. There's three others (Harmony Link won't be completed to 2028), yet that looks like a quick half-day to sever. Only 40km to the corner of Belarus, most artillery listed here can hit 40km+ {2] Get something like this if it goes total war. [3]

[1] https://spectrum.ieee.org/media-library/a-map-of-the-baltic-...

[2] https://www.army-technology.com/features/featurethe-10-most-...

[3] https://en.wikipedia.org/wiki/Upshot-Knothole_Grable#/media/...