RT by @mikenov: RT by @mikenov: ❗️Russia has withdrawn a significant portion of its air defense systems that protected the shipyards building nuclear submarines in Severodvinsk. According to Barents Observer, citing analysis of satellite imagery from 2024–2026, at least two dozen S-300 and S-400 air defense systems have left two key defensive positions in the north of the country due to a shortage of missiles and the need to strengthen air defenses in other regions.