Artificial intelligence (AI) is rapidly becoming a central component of global military strategies, transforming the way nations approach defence, security, and warfare. Major powers like the United States, China, and Russia are investing heavily in AI driven technologies to enhance their military capabilities, automate complex tasks, and gain a strategic edge in future conflicts. This shift is reshaping the landscape of modern warfare, raising both opportunities and concerns about the implications of AI in defence. AI integration in military operations spans a broad range of applications, from autonomous drones and robotic systems to predictive analytics and cyber defence. One key area is intelligence gathering, where AI algorithms analyze vast amounts of data to detect patterns, identify threats, and provide real time insights to commanders. This enables faster decision making and more effective targeting, reducing reliance on human analysis. For example, AI powered surveillance systems can autonomously monitor vast areas, identifying suspicious activity without the need for constant human oversight. Autonomous weapons systems are also a major focus, with AI enabling the development of unmanned aerial, ground, and naval vehicles capable of executing missions with minimal human intervention. These systems offer advantages in terms of speed, precision, and reduced risk to personnel. However, the deployment of AI in lethal autonomous weapons, often referred to as killer robots has sparked ethical debates. Critics argue that delegating life and death decisions to machines could undermine accountability and increase the risk of unintended escalation in conflicts. In cyber warfare, AI is playing a crucial role in defending against increasingly sophisticated attacks. AI systems can quickly identify and respond to potential threats, strengthening a nation’s cyber defences and improving resilience against adversarial attacks on critical infrastructure. As AI continues to shape military strategies, global powers are locked in a technological arms race.