Portugal plays a significant role in the European Union's push to create a single defense market, emphasizing coordination with NATO and strengthening the European Defense Technological and Industrial Base (BTIDE). The country aims to ensure that the emerging integrated defense market remains competitive and not dominated by larger powers, safeguarding fair competition and avoiding fragmented national subsidies. Portugal's involvement highlights its interest in expanding opportunities for its aerospace, technological, and cybersecurity sectors within the broader European defense strategy.