Vasyl Pekhnio military observer The most interesting thing is that this is not just an S-400, but an anti-aircraft missile system of a division of the Russian Federation anti-aircraft missile regiment – it would be incorrect to even talk about air defense.

Ukraine has lost over 40% of the territory in Russia's Kursk region that it seized in a surprise incursion in August as Russian forces have mounted waves of counter-assaults, a senior Ukrainian military source said.

Ukraine has lost over 40 per cent of the territory captured in Russia’s Kursk region as Russian forced mount waves of counter assaults.

Ukrainian forces hit a radar station of an S-400 anti-aircraft missile system in Russia's Kursk Oblast on the night of 23-24 November. Source: Ukraine's General Staff Details: The General Staff reported that Ukrainian troops had struck the positions of an anti-aircraft missile division from the 1490th Guards Anti-Aircraft Missile Regiment of the 6th Army of the Russian Federation in Kursk Oblast.

Ukraine has lost over 40% of the territory in Russia's Kursk region that it captured in a surprise incursion in August as Russian forces have mounted waves of counter-assaults, a senior Ukrainian military source said.

Ukraine has now lost more than 40% of the territory of Kursk Oblast, which it has controlled since August, as a result of Russian counterattacks, says a Reuters source in the General Staff of the Ukrainian Armed Forces.

Ukraine has lost more than 40 per cent of the territory it captured in August during a surprise invasion of Russia's Kursk region. This was reported by a senior source within the Ukrainian army to Reuters news agency.