This "Facts at Your Fingertips" book looks at the development of military services from ancient through modern times. The chapters divide the information into categories of warfare before the civil war, the civil war to the nuclear age, the age of modern warfare, warfare at sea, and the development of locks and keys to organize the information into a time line.

Table of Contents

• Warfare Before the Civil War
• Civil War to the Nuclear Age
• Modern Warfare
• Sea Warfare
• Locks and Keys
• Timeline
• Glossary
• Further Resources