Russia‘s advanced S-400 air defense in Crimea has faced severe losses in the face of Ukrainian tactical actions.

Strategic loss of air defense systems

In the context of the war in Ukraine,  Russia had deployed five S-400 anti-aircraft systems in the annexed region of Crimea, including its sophisticated radars.

Ukrainian naval forces neutralized two of these systems in less than a month. This decrease in defensive capacity directly impacts the strategic position of  Russia‘s Black Sea Fleet anchored in Sevastopol.

Russian S-400 system in Crimea exploded after Ukrainian attack

The first point of attention was the S-400 located at Cape Tarkhankut, on the northwest coast of Crimea. Subsequently, another system near Yevpatoriya was the target of an attack.

Ukraine Missiles: Improved Capability and Accurate Targeting

Reports indicate that the latest version of the Neptune anti-ship cruise missile facilitated effective Ukrainian attacks. This model surpasses its range and carrying capacity predecessor, which sank the cruiser Moskva in 2022.

The Ukrainian navy’s primary objective was to clear the way for the  Ukrainian air force to access the Black Sea Fleet in Sevastopol.

Su-24 bombers launched a series of Storm Shadow missiles that hit a dry dock in Sevastopol, leaving two ships beyond repair after the fire.

The persistent vulnerability of the Black Sea Fleet

Russia lost 40% of Crimean S-400 defense systemsRussia neutralizes naval drone attack on Black Sea fleet

Recent events suggest that Ukraine‘s offensive may not be over. The Black Sea Fleet still contains numerous large ships that remain viable targets for cruise missiles.

With the deactivation of the S-400 intended to protect these ships, the Fleet’s defensive capabilities are compromised.

The S-400 air defense system is globally recognized for its advanced technology and ability to counter multifaceted threats, including cruise missiles such as the R-360 Neptune.

Failure factors of the S-400 before the R-360 Neptune

Russia lost 40% of Crimean S-400 defense systemsNeptune: The Russian Navy’s missile destroyer

Despite the reputation of the S-400, its effectiveness can be influenced by different variables: specific scenarios, attacker tactics, and characteristics of the missile faced. In the S-400 and R-360 Neptune scenario, multiple reasons could be evaluated.

Tactical factors in the ineffectiveness of the S-400

Sophisticated Ukrainian strategy possibly played a key role in the S-400 interception failure. The low-altitude flight and maneuverability capabilities of the  R-360 Neptune present a challenge in detection and interception.

Additionally, the  R-360 Neptune employs advanced countermeasures, such as radar jamming and decoys, specifically designed to evade air defense systems.

On the other hand, the  S-400, despite its high level of sophistication, is not without limitations. It is plausible that certain features of the  R-360 Neptune represented a specific challenge that the S-400 could not efficiently counter.

R-360 Neptune Operational Details

The R-360 Neptune cruise missile, a jewel in the Ukrainian arsenal, is designed to engage naval targets at ranges of up to 280 kilometers, symbolizing a significant advance in Ukraine’s indigenous missile technology.

This missile combines an inertial guidance system with active radar homing. Its propulsion is based on a solid-fuel rocket motor that operates along its trajectory.

Russia lost 40% of Crimean S-400 defense systemsPhotographic evidence shows that a Russian command post of the S-400 Triumph 55K6E air defense system was attacked with HIMARS in the Kherson region about 10 days ago.

The R-360 Neptune‘s guidance system uses pre-programmed waypoints and radar updates to precisely steer toward its target, where the active radar seeker ensures an accurate hit.

Construction and materials of the R-360 Neptune

The design of the  R-360 Neptune makes extensive use of lightweight and durable composite materials. These materials provide an excellent balance between strength and weight, optimizing reach and maneuverability.

Implementing these composite materials also minimizes the missile’s radar cross-section, making it difficult to detect and track enemy radar systems.

Advanced weapons and sensors of the R-360

Russia lost 40% of Crimean S-400 defense systemsA HIMARS system manages to destroy a Russian S-400 in Ukraine

The  R-360 Neptune is equipped with state-of-the-art sensors and powerful weapons to maximize its effectiveness on the battlefield.

This missile has an active radar seeker capable of detecting and tracking targets even in complex tactical scenarios. Its warhead design has the ability to penetrate the defenses of modern ships, guaranteeing devastating damage on impact.

Additionally, the  R-360 Neptune can execute evasive maneuvers to neutralize enemy countermeasures, thus increasing its probability of successfully reaching the objective.