Military — 2026-05-27

Ukraine Deploys Lima Electronic Warfare System to Spoof Russian Drones and Missiles

BLUFLima's cost-per-kill economics could reshape Ukrainian air defense if the Kinzhal suppression claims survive independent verification, but Russia's Kometa response shows any edge will be transient absent continuous Ukrainian iteration.

Ukraine's Lima electronic warfare system, built by Cascade Systems (a Ukrainian startup registered in the US), defeats Russian drones and missiles by jamming and spoofing GPS/GLONASS satellite navigation signals, diverting weapons off course rather than destroying them 12. At ~€58,000 per station, a city-scale Lima deployment of 30–100 units costs roughly €5 million, equivalent to the price of a single Patriot PAC-3 interceptor missile, and Cascade has delivered 400+ units since July 2024 13. Lima has disrupted over 20,000 Shahed drones and suppressed 58 of 59 Kinzhal aeroballistic missiles, including 26 in Q1 2026 alone; in some cases it spoofs weapons into believing they are in a completely different geographic location 23. After Russia introduced Kometa CRPA antennas on its drones and missiles in early 2025 to resist spoofing, Ukraine developed Lima Quant, which adds high-frequency signals designed to disorient the upgraded antennas 12.

Analysis
Lima's cost asymmetry, roughly €5 million for city-scale coverage against $3–5 million per Patriot PAC-3 interceptor, materially changes Ukraine's air defense calculus if performance claims withstand scrutiny outside the developer-military chain that currently supplies them. Both primary outlets (Politico Europe, Kyiv Independent) lack independent verification chains, leaving the claimed 58-of-59 Kinzhal suppression rate unverified outside that chain. That rate would represent the first confirmed soft-kill against CRPA-equipped ballistic missiles at operational scale, but may instead reflect cherry-picked engagements or pre-existing Russian guidance failures. Russia's Kometa deployment in early 2025 demonstrated how fast adversarial hardening compresses an EW advantage. Lima Quant's performance as Russia further hardens its guidance receivers will determine whether the cost asymmetry holds.

6 sources

Ukraine's Lima electronic warfare system jams Russian ballistics - Politico Europe
As Patriots run low, Ukraine may have invented a new way to down Russia's 'unstoppable' Kinzhal missiles - Kyiv Independent
Ukraine's €58,000 Lima System Jams 20,000+ Russian Drones, Spoofs Missiles – Politico Report - Kyiv Post
Ukraine new air defense system convinces Russian missiles they are in Peru at one percent cost of Patriot - Euromaidan Press
Ukraine develops cheaper alternative to Patriot missiles for air defense - RBC Ukraine
Ukraine's strategy against Russian missiles: to make them miss their targets - Baltic News Network