site.btaBulgarian Military Demonstrate Interoperability Skills at CWIX 2025 Exercise in Poland

Bulgarian military demonstrated their skills during NATO’s Coalition Warrior Interoperability Exercise (CWIX) 2025. It was held at the Joint Force Training Centre in Bydgoszcz, Poland and an adjacent field-testing site between June 2 and 20, the Bulgarian Defence Ministry reported on Friday.

The exercise involved NATO member and partner countries. It was aimed at improving interoperability among NATO and national C4ISR systems (the acronym stands for “command, control, communications, computers, intelligence, surveillance and reconnaissance”).

Led by Headquarters Supreme Allied Command Transformation and directed by the Military Committee, CWIX is a key forum to test and upgrade C4I systems, particularly those intended for the NATO Response Force and the Combined Joint Task Force. It offers a protected, multi-domain environment to test C4ISR capabilities.

The main highlight during CWIX 2025 was the testing of C4I capabilities in the context of digital transformation, multi-domain operations and federated mission networking.

Bulgaria’s Joint Forces Command, Mobile Communication and Information System, and Communication-Information Support and Cyber Defence Command committed personnel and communication-and-information equipment. The Bulgarian Land Forces committed personnel and a technical set-up of the Harris Command and Control (C2) system. The country’s Air Force and Navy participated in the analytical group of the exercise, in which they validated Air, Maritime, TDL и Cyber tests.

Lieutenant-General Yavor Mateev, military representative of the Chief of Defence in Bulgaria’s Permanent Delegation to NATO, was a guest on VIP Day, June 18. He and other officials watched interoperability demonstrations of command and management systems in multi-domain operations and federated mission networking.