U.K. Marks Three Year Anniversary Of Operation Interflex

A Ukrainian soldier alongside a British soldier from the 11th Infantry Brigade. Image: Sergeant Anil Gurung, UK MOD © Crown copyright 2025

More than 56,000 Ukrainian soldiers have been trained by the UK and 13 partner nations on Operation Interflex; the UK-led, multinational training programme.  

Thursday marked three years since the first Ukrainian trainees landed on British soil to begin the vital military training that turns civilians into soldiers capable of returning home to repel Russia’s illegal invasion of their country.  

During this time Operation Interflex has continued to evolve to match the specific threats being faced on the frontlines in Ukraine. A variety of training programmes have been delivered via Operation Interflex focussed on equipping trainees with the battlefield essentials: the basic infantry course, leadership training, and instructor courses, which continuously adapt to Ukraine’s needs. 

Led by the UK, Operation Interflex has been delivered alongside 13 other partner nations: Australia, New Zealand, Canada, Denmark, Finland, the Netherlands, Norway, Sweden, Albania, Estonia, Kosovo, Lithuania, and Romania. Service personnel from these nations are united in the objective to deliver high quality training that meets the needs of the Armed Forces of Ukraine.  

At a recent meeting of the Ukraine Defence Contact Group (UDCG) on the 4 June, the Defence Secretary announced that the UK will spend a further £247m this year on training the Armed Forces of Ukraine, supporting Operation Interflex’s highly successful training programmes. This funding not only supports Ukraine in its fight against Russian aggression, but it is also vital in ensuring both European and UK security, underpinned by the Government’s Plan for Change.  

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