"Sound Military Decision" by the U.S. Naval War College is a military treatise written in the early 20th century. This work addresses the principles and methodologies vital for making effective military decisions, with a strong focus on the mental processes involved in military judgment. The book serves as a guide for military professionals seeking to improve their strategic thinking and operational effectiveness. The opening of "Sound Military Decision" introduces the context and intent behind this comprehensive guide. It outlines the book’s aim to broaden the professional judgment of military leaders through structured mental processes. The first chapter discusses the importance of understanding national policy's relationship to military command, emphasizing the critical role commanders play in effectively leveraging mental power within the armed forces. The text sets the foundation for exploring military strategy and tactics, which continue in subsequent chapters as it delves into the significance of mutual understanding and the effective application of military principles in decision-making scenarios. (This is an automatically generated summary.)