FM 3-24: COUNTERINSURGENCY

Official US Army Field Manual in Acrobat PDF file format. This field manual/Marine Corps warfighting publication establishes doctrine (fundamental principles) for military operations in a counterinsurgency (COIN) environment. It is based on lessons learned from previous counterinsurgencies and contemporary operations. It is also based on existing interim doctrine and doctrine recently developed. Counterinsurgency operations generally have been neglected in broader American military doctrine and national security policies since the end of the Vietnam War over 30 years ago. This manual is designed to reverse that trend. It is also designed to merge traditional approaches to COIN with the realities of a new international arena shaped by technological advances, globalization, and the spread of extremist ideologies—some of them claiming the authority of a religious faith. The manual begins with a description of insurgencies and counterinsurgencies. The first chapter includes a set of princi