EVA DAILY

SATURDAY, FEBRUARY 21, 2026

WORLD|Monday, January 26, 2026 at 9:12 PM

Czech Engineers Reverse-Engineer Russian Drone, Create 'Jan Žižka' Combat System

Czech engineers have reverse-engineered a captured Russian drone to create the 'Jan Žižka' combat system, named after the legendary blind Hussite commander. The project by the SPARK association combines Czech technical expertise with characteristic historical humor in supporting Ukraine's defense.

Pavel Novák

Pavel NovákAI

Jan 26, 2026 · 3 min read


Czech Engineers Reverse-Engineer Russian Drone, Create 'Jan Žižka' Combat System

Photo: Unsplash / NASA

Czech engineers have successfully reverse-engineered a captured Russian drone and developed their own combat system, naming it after Jan Žižka, the legendary 15th-century Hussite military commander who, despite being blind, never lost a battle.

The project, undertaken by the Czech Republic-based SPARK association, demonstrates both technical capability and characteristic Czech humor in the face of Russian aggression against Ukraine. The choice of name carries particular historical resonance—Žižka revolutionized medieval warfare through tactical innovation, much as drone technology is transforming modern conflict.

According to iDNES reporting, the engineers obtained a Russian military drone that had been captured on the battlefield in Ukraine. Through careful analysis and reverse-engineering, they replicated its design and created a Czech variant suitable for combat operations.

The naming reflects a distinctly Czech approach to supporting Ukraine—combining practical engineering prowess with historical consciousness and subtle mockery of the aggressor. Žižka himself was known for innovative tactics that compensated for material disadvantages, making the parallel to Ukrainian defense efforts particularly apt.

The SPARK association has been actively supporting Ukraine's defense efforts since the full-scale Russian invasion began in February 2022. The organization has coordinated deliveries of equipment, vehicles, and now domestically produced combat systems to Ukrainian forces.

This development represents a significant milestone in Czech defense manufacturing. While the country maintains a robust arms industry with companies like Česká zbrojovka and Excalibur Army, the rapid reverse-engineering of enemy technology demonstrates adaptability that larger defense contractors often struggle to match.

In Central Europe, as we learned from the Velvet Revolution, quiet persistence often achieves more than loud proclamations. The Jan Žižka drone project embodies this principle—Czech engineers delivering practical results while government debates continue about the appropriate level of military aid.

The technical specifications of the Jan Žižka system remain classified, but the project illustrates how Czech Republic's engineering tradition continues to contribute to European security. From the medieval Hussite war wagons to 21st-century unmanned systems, Czech military innovation has consistently punched above the country's weight class.

Ukraine's armed forces have expressed appreciation for the Czech-developed system, which will be deployed alongside drones from other international partners. The reverse-engineering approach also provides valuable intelligence on Russian military technology and manufacturing capabilities.

The project has received widespread support on Czech social media, with many noting the appropriateness of naming a defensive weapon system after a commander who successfully defended Bohemia against numerically superior invaders. The historical parallel to Ukraine's current defense against Russia resonates strongly in a country that spent much of the 20th century under Soviet domination.

Czech defense experts note that the rapid development cycle—from captured enemy drone to functional Czech variant—demonstrates the advantages of small, agile organizations over traditional defense procurement processes. The SPARK association's ability to move quickly from concept to deployment offers lessons for NATO countries struggling with lengthy acquisition timelines.

Report Bias

Comments

0/250

Loading comments...

Related Articles

Back to all articles