# Telefónica defense technology and connectivity expansion > Live situation record from CLSTR: https://clstr.news/situations/telefnica-defense-technology-and-connectivity-expansion > Updated: 2026-10-26T12:55:37.000Z. Sources: 4. Developments: 2. Telefónica has initiated several strategic moves to enhance its capabilities within the European defense and security sectors. On October 20, 2026, the company partnered with the Portuguese telecommunications group NOS to develop advanced connectivity solutions, including 5G networks, edge computing, and artificial intelligence. This partnership was formalized during the REPMUS 26 maritime exercises in Portugal, where the companies demonstrated how integrated mobile infrastructures can support maritime unmanned systems and command and control architectures. Following this, on October 26, 2026, Telefónica España acquired a 10% stake in the Spanish deep-tech company OGA Group. This acquisition includes a technical and commercial alliance intended to integrate OGA’s expertise in artificial intelligence, machine learning, and digital twins into Telefónica’s service catalog. The collaboration specifically targets the enhancement of AI-driven solutions for critical processes in defense, logistics, and industrial sectors. ## Timeline ### 2026-10-26: Telefónica acquires 10% stake in OGA Group to boost defense AI Telefónica España has acquired a 10% stake in OGA Group to integrate advanced AI and simulation technologies into its defense and industrial B2B service offerings. 2 sources. https://clstr.news/cluster/telefnica-acquires-10-stake-in-oga-group-to-boost-defense-ai ### 2026-10-20: Telefónica and NOS partner for European defense connectivity Telefónica and NOS have partnered to develop secure 5G, AI, and edge computing solutions for European defense and maritime security operations. 2 sources. https://clstr.news/cluster/telefnica-and-nos-partner-for-european-defense-connectivity --- Cite as: Telefónica defense technology and connectivity expansion. CLSTR, https://clstr.news/situations/telefnica-defense-technology-and-connectivity-expansion