
Sergej Sumlenny
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Sergej Sumlenny is the director of the European Centre for Resilience Initiatives based in Berlin, known for his insights into the challenges faced by Ukrainian forces, particularly regarding the deployment and effectiveness of the Leopard 2 tanks in the ongoing conflict. He has been actively visiting the front lines since 2022, providing critical assessments of military equipment and strategies.
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Sergej Sumlenny, the executive director at the European Recovery Initiative based in Berlin, believes that the West is transferring too few Leopard 2 tanks to Ukraine.
Xe tăng Leopard 2 thất thế, trở thành bệ pháo di động ở UkraineVnExpress – leading Vietnamese online newspaper, est. 2001·
Vietnam· 2025-04-16
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Sara Nanni

Sergej Sumlenny is the director of the European Center for Resilience Initiatives, discussing the limitations of the Leopard 2 tanks in Ukraine.
Tancurile germane Leopard 2 eșuează pe câmpul de luptă din Ucraina. Experții explică principalele cauzeAdevărul·
Romania· 2025-04-14
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Olaf Scholz
