The textbook is addressed to seniors in high school Marine Corps Junior Reserve Officer Training Corps (JROTC) programs and deals with leaders and the various situations in which they may function. The first part explains the history of military drill and aspects of modern drill as practiced by military units today. The section on leadership discusses the functions and responsibilities of the leader in several different areas and includes biographical sketches of some persons who have proven themselves as leaders. Also didsussed are: self-improvement (study habits and reading skill improvement), small group leadership, leadership of women, world leadership ideologies, and the responsibilities of citizens and self-government. A section on Military Orientation and Organization presents: an overview of the United States Armed Forces (Army, Air Force, Navy, Coast Guard, and the role of women), The Code of Conduct for members of the Armed Forces, general information on Civil Defense, and basic survival tactics. The final section describes the operation of the M-16 rifle and rifle coaching. A 44-item bibliography of suggested readings concludes the text. (Author/MS)