This document is a seminar report on applications of artificial intelligence in defense. It discusses various AI techniques that can be applied to cyber defense and military applications, including neural networks, expert systems, intelligent agents, search algorithms, and machine learning. The document provides examples of existing uses of these AI methods, such as using neural networks for intrusion detection and malware classification. It also discusses opportunities for greater use of AI, such as developing intelligent decision support systems and mobile intelligent agents for cyber defense.