This book explores the application of psychological principles within the military context. Dr. Emad Al-Zghoul addresses the unique psychological challenges faced by military personnel, covering topics such as combat stress, leadership, personnel selection, and the psychological effects of warfare. The text provides a comprehensive framework for understanding how psychology contributes to military effectiveness, soldier well-being, and operational readiness. It serves as a vital resource for students, psychologists, and military professionals, offering insights into the mental and behavioral aspects of military life, from recruitment and training to post-service integration.