KYIV, Ukraine — German defence technology company HENSOLDT has signed a memorandum of understanding (MoU) with Ukraine’s Ministry of Defence to expand cooperation on air-defence surveillance and radar capabilities.
The agreement was signed by HENSOLDT CEO Oliver Dörre during German Chancellor Friedrich Merz’s visit to Ukraine. It covers plans for further large-scale deliveries of radar systems and continued development of Ukraine’s air-defence capabilities.
TRL-4D LR Radar Cooperation
Under the memorandum, HENSOLDT and Ukraine will evaluate options for the deployment and joint operation of the company’s TRL-4D LR long-range radar.
The agreement also expands the existing cooperation into ballistic missile defence. HENSOLDT said its sensor technology is intended to support the operational readiness of Ukraine’s armed forces and help protect civilians and critical infrastructure, including bridges.
Dörre said high-performance radars are needed to help protect infrastructure as winter approaches, describing the memorandum as a practical step toward reliable and long-term support.
HENSOLDT Radars Already in Ukrainian Service
Ukraine has operated HENSOLDT radar equipment since 2022. The company’s TRML-4D radar is used by the Ukrainian armed forces and serves as the primary sensor for the IRIS-T SLM ground-based air-defence system.
According to HENSOLDT, the TRML-4D has an instrumented detection range of up to 250 kilometres and can operate at altitudes of up to 40 kilometres. Its stated practical detection range is around 120 kilometres for fighter aircraft and 60 kilometres for supersonic missiles.
The TRL-4D LR is a longer-range radar system, with its naval version reported to have a range of more than 400 kilometres against air targets.
Details of New Deliveries Not Disclosed
Some Ukrainian defence reporting has linked the expanded cooperation to the FREYJA anti-ballistic system, involving HENSOLDT and Ukrainian company Fire Point. However, HENSOLDT has not specified the system as part of the new memorandum.
The company has not disclosed the exact number of radars, financial terms or delivery schedules under the October 5 agreement.
During the same visit, Chancellor Merz announced a €1 billion military aid package for Ukraine. HENSOLDT, based in Germany, specialises in sensor and radar technology for air and missile defence.
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