Modern World War has significantly changed the landscape of military strategy. Since the end of the 20th century, we have witnessed a transition from conventional warfare to new forms of conflict that are more complex and multidimensional. A deeper understanding of these changes is critical to analyzing today’s global power dynamics. One of the most striking changes in military strategy was the introduction of asymmetric warfare. In modern conflicts, countries with superior military power often face weaker opponents who use unconventional tactics. A clear example can be seen in the war in Afghanistan, where Taliban forces used guerrilla tactics to match the advanced strength of the United States Armed Forces. Asymmetric strategies exploit enemy weaknesses, such as logistics and response time, creating uncertainty on the battlefield. In addition, developments in information and communication technology have changed the way warfare is fought. Cyberwarfare is now a critical component of modern military strategy. Countries are investing significant resources to develop cyber capabilities to protect critical infrastructure and attack virtual adversaries. Cyberattacks can destroy traffic, financial, and communications systems, resulting in far wider consequences than physical attacks. The advent of drones and autonomous weapons systems is also revolutionizing combat tactics. Drones allow for better surveillance and targeted strikes without direct risk to military personnel. The use of this technology creates ethical dilemmas, especially in the context of privacy and human rights. How to balance military efficiency with moral responsibility is a big question that states must face today. The influence of military alliances, such as NATO, is also changing. This alliance functions not only as a response to territorial military threats, but also to broader risks, such as international terrorism and climate change. The concept of collective defense creates a framework for multilateral cooperation, facilitating areas such as intelligence exchange and joint military exercises that demonstrate solidarity between member states. The ideological aspect also gives color to modern conflicts. Culture wars and information wars dominate the global arena today. Social media functions as a tool for propaganda, with information spreading quickly and effectively. Therefore, the stage of war has expanded into the digital realm, where narrative becomes a powerful weapon. It cannot be denied that modern conflicts are shaped by new dynamics involving various actors, from states to non-state groups. Players such as technology companies and international organizations now have an important role in shaping military policy and strategy. By understanding this context, we can anticipate how military strategy will continue to develop in facing global challenges in the future. Elements such as adaptation to new technologies, moral shifts in the use of force, and the influence of non-state actors will continue to shape the way we view war in the modern era.