4G LTE and 5G in Military Missions: Operational Challenges and Strategic Opportunities
Abstract
Modern military operations increasingly rely on communication networks that can support high data volumes, flexibility, and interoperability across land, air, maritime, cyber, and space domains. Traditional military communication systems have delivered reliability over decades, but their voice-centric design and limited data capacity restrict their ability to support modern requirements such as real-time situational awareness, sensor fusion, and joint or coalition operations. Consequently, armed forces are progressively adopting commercial cellular technologies, particularly 4G LTE and 5G, within military communication architectures. This paper examines the role of LTE and 5G in military missions, focusing on their operational and strategic value. Comparative analysis indicates that these technologies provide advantages in deployment flexibility, cost efficiency, ease of maintenance, and interoperability with government and public safety networks. Evidence shows that 4G LTE is already a mature and operationally proven solution, widely used by the United States, NATO, and allied forces for bases, training, mission command, logistics, and civil–military support. Building on this foundation, 5G is emerging as a complementary capability, offering ultra-low latency, unified network management, and support for data-intensive multidomain operations. Together, LTE and 5G enable a phased, mission-driven modernization of military communications while preserving security, resilience, and long-term adaptability.
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