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Ukrainian Drones Knock Out Vital S-400 Radar Deep Inside Russia

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S-400
S-400 Triumph Air Defence Missile System during the rehearsal for a military parade at the Red Square in Moscow, Russia. (Source: Getty Images)

Ukrainian Defense Forces targeted a Russian S-400 air defense position in the Tula region. 

According to the Dosye Shpiona project, the strike occurred on March 1 around 2:30 AM. Four attack drones were used to hit the complex located in the settlement of Osinovaya Gora.

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The attack damaged a 92N6A radar station. Experts are currently evaluating the extent of the damage and the possibility of repairs. Russian forces likely kept the complex in the same position because it was deep in the rear. This lack of movement allowed Ukrainian forces to conduct the strike.

The 92N6A is a multifunctional station with a three-dimensional radar and phased array antenna. It is a core component of the S-400 Triumph system.

The station can detect up to 100 aerial targets and track at least six of them at a range of up to 480 kilometers. The entire battery, which includes three to six launchers, depends on the 92N6A to function.

It handles searching, detection, identification, and missile guidance. 

Disabling this radar effectively paralyzes the entire battery's combat capabilities. These radar systems are high-tech and rare assets that are difficult to replace quickly. 

Earlier, the Security Service of Ukraine reported that its special operations units had carried out targeted long-range strikes throughout 2025, destroying or disabling Russian air defense systems worth an estimated $4 billion.

These operations, conducted by the "Alpha" Center for Special Operations, systematically neutralized key elements of Russia’s layered defense network, including S-300, S-350, and S-400 platforms.

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