Field Manual 3-24

Field Manual 3-24
Name	Field Manual 3-24
Subject	Counterinsurgency doctrine
Publisher	United States Army
Date	2006 (rev. 2009)

Field Manual 3-24 is a United States Army manual on counterinsurgency doctrine issued in 2006 and revised in 2009. It influenced operations in Iraq War, War in Afghanistan (2001–2021), and other theaters, shaping relationships among units such as the United States Army Rangers, 1st Cavalry Division, 82nd Airborne Division, and advisory bodies like the Joint Chiefs of Staff and Defense Intelligence Agency. Written under the direction of senior leaders including figures linked to General David Petraeus and institutions such as the United States Army War College and National Security Council, the manual integrated lessons from historical campaigns from Vietnam War and Malayan Emergency to operations involving the United Nations and North Atlantic Treaty Organization partners.

Background and Development

The manual emerged amid debates following the Iraq War and after analyses by the Center for Strategic and International Studies, RAND Corporation, and the Brookings Institution highlighted deficiencies in doctrine shared by commanders like General Tommy Franks and advisors connected to Pentagon policymaking. Work on the manual drew on historical studies of counterinsurgency by scholars referencing the French Indochina War, the Algerian War, and British campaigns led by figures associated with the Colonial Office and planners influenced by lessons from T. E. Lawrence and the Special Air Service. Contributors included military leaders who had served in Operation Enduring Freedom and staff from the Combined Arms Center and Defense Advanced Research Projects Agency who coordinated with civilian analysts from Harvard Kennedy School and the Council on Foreign Relations.

Doctrine and Key Concepts

The manual codified principles such as population security, legitimacy, and integrated civil-military operations that echo theories developed by analysts studying the Vietnam War, the Philippine–American War, and British doctrine in the Malayan Emergency. It emphasized unity of effort among agencies including the Central Intelligence Agency, Department of State, and multinational actors like International Committee of the Red Cross and European Union missions. Concepts aligned with counterinsurgency thought from authors linked to Princeton University, Columbia University, and the Carnegie Endowment for International Peace, and referenced operational frameworks that had been debated during interagency forums led by figures from the CIA and NATO Allied Command Transformation.

Organization and Contents

Structured into chapters on strategy, tactics, intelligence, and civil-military cooperation, the manual organized guidance for brigade and battalion staffs in a format similar to doctrinal texts produced by the British Army and the Israeli Defense Forces. Appendices included case studies drawn from engagements such as the Marawi siege, assessments used in Operation Iraqi Freedom, and training aids adopted by academies like the United States Military Academy and the Naval War College. The document referenced legal frameworks involving the Geneva Conventions and coordination mechanisms employed by organizations such as the United Nations Security Council.

Implementation and Training

Implementation relied on institutional partners including the Training and Doctrine Command and institutions such as the Combined Arms Center and the Army National Guard. Training programs incorporated scenarios influenced by historical operations like the Battle of Algiers and exercises conducted with partners from United Kingdom, Australia, and Canada forces. Doctrine dissemination occurred through professional military education at the National Defense University, resident courses at the School of Advanced Military Studies, and field training in theaters managed by commands like United States Central Command and United States European Command.

Operational Use and Case Studies

Operationalization of the manual influenced campaigns in Iraq War provinces such as Anbar Campaign (2003–2007) and operations in Helmand Province, where commanders coordinated with provincial authorities akin to engagements in the Philippine insurrections and stabilization efforts in Bosnia and Herzegovina. Case studies examined by analysts from RAND Corporation and scholars from King's College London compared outcomes in counterinsurgency efforts during the Soviet–Afghan War and interventions led by coalitions under NATO command. Lessons informed later advisory missions such as those overseen by the Coalition Provisional Authority and multinational efforts supported by the European Union.

Criticisms and Controversies

Critics from institutions like the Heritage Foundation, commentators in outlets tied to think tanks such as the Cato Institute, and scholars at Yale University and Princeton University argued the manual overstated the capacity of conventional forces to conduct political tasks. Debates involved figures associated with the Senate Armed Services Committee and policy analysts who compared outcomes to historical campaigns like French Algeria and questioned applicability in contexts examined by the International Crisis Group. Controversies included tensions over civil-military boundaries highlighted during hearings featuring testimony from generals and civilian officials tied to the Department of Defense and Department of State.

Influence and Legacy

The manual’s legacy persisted in curricula at the United States Army War College, doctrine updates by the Joint Chiefs of Staff, and in reforms advocated by commissions such as those convened after the 9/11 attacks and studies by Brookings Institution and the Rand Corporation. Its influence shaped doctrine for partner militaries including the British Army, Australian Army, and security forces trained with assistance from the United States Agency for International Development and continues to be cited in analyses by the International Institute for Strategic Studies and academic centers at Georgetown University and Stanford University.

Category:United States Army doctrine