The role of technology in the World Wars has become one of the key factors determining the outcome of global conflicts. From military strategy to weapons innovation, technology has shaped the way countries wage war. The following are some important aspects of the role of technology in World War. In World War I, technological developments such as automatic rifles, war machines, and large artillery influenced tactics in the field. The use of aircraft as a means of monitoring and attack was an innovation that changed the way war was fought. The famous Trench War showed how technology influenced defensive and offensive strategies, causing massive casualties. On the other hand, World War II marked a major surge in technological innovation. The invention of radar and sonar allowed for better surveillance. Battle tactics also evolved with the introduction of tanks and armored vehicles, which provided greater mobility and destructive power. Aircraft carriers are now the central point in the navy, replacing the dominance of traditional warships. One of the most significant achievements in the history of warfare technology was the development of nuclear weapons at the end of World War II. The atomic bombs dropped on Hiroshima and Nagasaki marked a new era in international war and diplomacy. The destructive capacity of these weapons changed the mindset in military strategy, creating the concept of “deterrence” that stopped large-scale conflicts in the post-war era. In addition, communications also progressed greatly during both wars. Radio and telecommunications became important tools in coordinating troop movements. Encryption and information strategy play a crucial role in maintaining the confidentiality and effectiveness of military operations. Postwar, technological developments continued their impact on military strategy. New materials, such as composites and stealth technology, increase the appeal of modern combat aircraft. Additionally, information and cyber technologies are changing the shape of combat, bringing into the realm of digital combat and cyber espionage. Another important dimension is the use of drones in military operations. Drones provide reconnaissance capabilities without direct risk to the pilot. The use of armed drones in contemporary conflicts shows how technology continues to develop, offering new ways to carry out attacks without physical presence. The influence of technology in war is not limited to the military aspect. Information technology facilitates propaganda and psychological influence on the public. Social media plays a large role in shaping public opinion during conflict, allowing the spread of certain narratives to influence social and international class views. Finally, research and development in the field of technology must continue to be carried out to ensure national security. Partnerships between governments and the private sector in the development of advanced technologies such as AI and cyber are critical to preparing for the future of war. From rifles to nuclear weapons, the role of technology in World War is very complex and continues to evolve over time. Understanding how technology influences tactics and strategy is important to understanding the history of conflict and global geopolitical developments.