The Ukrainian army claims to have struck the Russian S-400 air defense missile system in Kaluga region.

Jin10 data reported on September 22 that on September 22 local time, the Ukrainian Armed Forces Special Operations Command reported that Ukrainian special operations forces hit a trap of S-400 air defense missile systems in Russia's Kaluga region. The report stated that on September 5, a group of Ukrainian special operations forces, while carrying out a special reconnaissance mission, discovered an S-400 air defense missile system located in Kaluga region, and subsequently carried out a fire strike. In this operation, a Ukrainian drone struck one launch device and radar station of the air defense missile system.