Great Power Competition: Irregular Warfare: Strategies-Doctrine

   Department of Defense

• 1940 Forms of Fifth Column Activity

• 1942 Lessons to be Drawn from Fifth Column Activities in Europe

• 1945: Combatting the Guerrilla

• 1950: ST 31-20-1: Operations Against Guerrilla Forces

• 1961: FM 31-15: Operations Against Irregular Forces

• 1962: Detailed Concept for Employment Of US Army Combat Units In Military Operations Against Irregular Forces

• 2006: Irregular Warfare Special Study
• 2006: Multi-Service Concept for Irregular Warfare.

• 2007: Irregular Warfare Joint Operating Concept 
• 2009: United States Joint Forces Command Irregular Warfare Vision

• 2010: Irregular Warfare: Countering Irregular Threats: Joint Operating Concept

• 2020 Summary of the Irregular Warfare Annex to the National Defense Strategy