German firm Hensoldt is expanding production to manufacture around 1,000 radars per year by 2027, a key move as it supplies Ukraine with TRML-4D radars for Iris-T SLM systems and Spexer 2000 Mk 3 UAV-targeting radars for Skyranger.
The ramp-up became essential after the company hit capacity limits at its Ulm plant, driven by a surge in orders over the past two years. Hensoldt notes that current capabilities do not meet customer demands, particularly from the German armed forces, prompting investments in leased and upgraded facilities worth tens of millions of euros.
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Ukraine is a major customer, especially for TRML-4D radars integrated into Iris-T SLM air defense systems. These radars have proven effective on the battlefield, with additional units ordered in 2024 totaling over €1 billion.
Hensoldt will also supply Spexer 2000 Mk 3 radars to Ukraine, which are highly effective against drones and can be paired with Skyranger air defense systems, as announced by Rheinmetall's CEO.
The production expansion will strengthen Ukraine's air defense against russian aerial attacks. While reaching the target of 1,000 radars annually wont occur until 2027, the growing need for air defense systems remains critical.
As of August 2025, Hensoldt produces 30 TRML-4D units per year, alongside other advanced land- and sea-based radar families. The Ulm facility also manufactures electronic warfare systems and other electronic components, and the expansion is likely to boost production across these lines as well.
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