How NATO and allies seek to train defence tech companies on the battlefieldbr br NATO training and defence operations are taking on a real-time urgency as airspace violations proliferate across the EU. Euronews Next was at an annual NATO event in Portugal, where defence tech companies are being brought to the battlefield – at least for training.br br READ MORE : br Euronews Next is a future-focused news section covering global innovation, science and technology with a European perspective.