Bulgaria Tests C4ISR Capabilities in NATO’s Largest Interoperability Drill

Cătălin Roșioru

Bulgarian military personnel took part in NATO 's "Coalition Warrior Interoperability Exercise" ( CWIX ) 2025, held from June 2 to 20 in Bydgoszcz, Poland. The large-scale exercise brought together experts and systems from NATO member states and partner countries, aiming to enhance the technical and operational interoperability of command and control structures across the alliance. Bulgaria was among the active participants, showcasing capabilities through a combined effort by the Ministry of

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