With the Increase In the Technology of Weapon System, There Is Great Revolution In the Concept of Warfare. Technology As a Force Multiplier Provides Cutting Edge and Competitive In Modern Warfare. Modern Warfare Requires Autonomous Weapons. In the New Era, Missiles Are Known As the Strength For a Country. For a Modern Military Inventory, Guided Weapons Technology Is a Prerequisite. from Very Short Range to Short, Medium and Long Range Weapons and Automated Weapons Are the Topic For Research. In This Paper, a Critical Study Is Carried on Different Types of Missiles and Their Classification Based on Their Features Like Target, Range, Mode For Launching and Their Autopilot Guidance System.