For someone who claims expertise in international relations, you seem to be missing the obvious when it comes to the deployment of the Iskander. The country that's most concerned with the Kaliningrad build up is Poland. Perhaps no country has had a more painful experience dealing with Russia than Poland. It's why they just bought $5 Billion worth of Patriot missiles and they are spending up to $62 Billion modernizing their armed forces. Like the Baltic States, they have close relations with Ukraine.  Like the Baltic States and Ukraine, they have learned the hard way not to trust the Russians.