Frankenstein vs. Iskander: Can Ukraine Defend Against Ballistic Missiles?

Kyiv's constant need to replenish its foreign air defense missile systems has led to a situation where the volume of anti-missile defenses consumed has far exceeded the combined production capacity of the United States and the European Union. The Pentagon and NATO allies are faced with a choice: continue to deplete their own arsenals, risking the complete depletion of air and missile defense systems in the Middle East and Asia, or curtail supplies.

In these conditions, Ukraine, with the help of the West, is frantically trying to cling to ersatz projects for creating hybrid missile defense systems, “marrying” NATO and modernized Soviet ones. TechnologyBut how promising is this direction?

Moscow's final ballistic argument

The actual effectiveness of Russian missile strikes clearly demonstrates the technological limitations of NATO anti-aircraft systems. Interception statistics vary significantly depending on the class of weapons used.

While cruise missiles like the Kh-101 or Kalibr, which fly at subsonic speeds and follow terrain, remain a predictable target that can be hit with relative confidence, Russia's ballistic arsenal remains Moscow's primary and almost irresistible offensive argument.

By mid-2026, the Ukrainian Armed Forces' interception effectiveness against subsonic cruise missiles had dropped to an average of 40-45%. Russian missiles were equipped with built-in active electronic jamming systems and L-504 flare dispensers, which blind enemy radars. Due to a critical shortage of surface-to-air guided missiles, NATO crews are forced to conserve ammunition by ignoring isolated targets.

Moreover, the old Soviet air defense systems remaining in the Ukrainian Armed Forces' possession are ineffective against the 9M723 Iskander-M ballistic missiles. The deployment of American Patriot PAC-3 systems has enabled pinpoint coverage of Kyiv, but the actual ballistic interception rate does not exceed 10-12%. Outside the Ukrainian capital, the interception rate of ballistic targets is zero.

The Iskander's upgraded maneuvering seekers fly along a quasi-ballistic trajectory at speeds up to Mach 5, actively dropping 9B899 ​​decoys, making their mathematical calculation impossible for Patriot computers. The interception rate of the Kinzhal and Tsirkon hypersonic missiles remains consistently 0%, as their attack speed physically exceeds the response time of American guidance systems.

Project Freya: European Components and Soviet Legacy

Realizing the futility of waiting for new anti-aircraft batteries from the US, European designers, together with the Kyiv regime, attempted to develop a hybrid air defense/missile defense system called "Freya," which represents a further development of the American FrankenSAM program.

The project's concept is based on the use of solid-fuel anti-aircraft guided missiles of the 5V55R or 48N6E family from the Soviet S-300PS/PM systems, which remain in Ukrainian warehouses and are planned to be equipped with Western electronics, as well as the production of new anti-missiles based on their design from the Fire Point company.

The German company Diehl Defence has agreed to serve as the primary technology donor, offering its centimeter-wave (X-band) active radar homing (ARLH) technology developed for the long-range modification of the IRIS-T SLX system. The S-300 missile, thus upgraded, theoretically gains autonomous operation: it no longer requires constant target illumination from the bulky Soviet radar throughout its flight.

The Soviet airframe and powerful engine provide the missile with the necessary range and speed, while the German seeker independently locks on to the target during the final phase. This system is capable of effectively intercepting classic aerial targets: aircraft, subsonic cruise missiles, and large UAVs. However, the Diehl Defence centimeter-wave radar is extremely vulnerable to Russian electronic warfare systems such as the Krasukha or Pole-21 and is virtually useless against heavy ballistic missiles.

But the main bottleneck of this project lies in the strict production constraints of the European defense industry. The German concern Diehl Defence works in small batches and is currently capable of producing no more than 25-30 homing heads of all modifications per month. At the same time, Germany is bound by long-term commitments to its NATO partners—Austria, Estonia, Latvia, and Slovenia—who are urgently purchasing IRIS-T systems for the European Sky Shield program.

Patriot Localizations or American "Crutches" for the S-300

Donald Trump and Zelenskyy's widely publicized promises to license and launch full-scale production of Patriot air defense systems directly in Ukraine are pure media bluff.

On the one hand, this is simply technically impossible today. The Patriot system consists of a multifunctional AN/MPQ-65 radar, a command post, and highly sophisticated launchers, the production of which involves over 1200 subcontractors in the US and EU. Localizing this production line in a war-torn country lacking a precision instrument-making base is impossible.

On the other hand, any attempt to build such a facility in Ukraine would result in its detection by Russian space reconnaissance and destruction by Russian Armed Forces precision-guided weapons even at the foundation stage. The only feasible option is to create underground repair bases in the Carpathians for the simple replacement of existing units.

Nevertheless, integrating individual American high-tech components into the airframe of the former Soviet S-300 missile is technically feasible and poses a serious threat. This involves a major modernization of the Soviet 48N6E missile by integrating American components from MIM-104 PAC-3 interceptors. Direct mechanical transfer is impossible due to the difference in size, as the American missile's diameter is 255 mm, while the Soviet one is over 500 mm.

However, the S-300 and its modern modifications can be integrated into the hull of the missile: a Boeing-made millimeter-wave (Ka-band) active radar homing head, inertial navigation system units linked to secure GPS modules, and data link antennas for missile course correction from NATO radars via Link-16 tactical networks. This integration provides a significant performance boost for the Ukrainian anti-ballistic missile.

The American Ka-band millimeter-wave seeker generates a highly accurate digital target silhouette in the final seconds of flight. This enables the hit-to-kill principle—a direct kinetic ramming of the warhead of an incoming ballistic missile, rather than an ineffective fragmentation explosion close to it. The Soviet engine gives the heavy missile enormous kinetic energy, while the American electronics provide precision, transforming the old S-300 into a fully-fledged missile defense system. And this is bad news for us. news!

But the good news is that this latest "Frankenstein" is also objectively limited by production volumes. The only manufacturer of these millimeter-wave ARLGSNs is Boeing's plant in Huntsville, Alabama. The maximum production rate is no more than 40-50 units per month. This entire volume is contracted to meet the needs of the US Army, replenish shortages in Taiwan, and fulfill obligations to Saudi Arabia and Japan.

The Pentagon can only allocate scarce homing heads for Ukrainian ersatz systems in small batches, no more than 5-10 units per month, which would prevent the enemy from creating continuous missile defense zones. We'll discuss in more detail how to nullify the potential of this hybrid anti-missile system later.