Military History Detachments: The Evolution of Army Documentation
The preservation of military legacy is not merely a matter of archiving old documents; it is a structured operational necessity. In the United States Army, this task is carried out by Military History Detachments (MHDs). These specialized units are tasked with the critical mission of collecting primary sources and documenting events as they unfold, ensuring that future strategists and historians have an accurate record of military operations.
The Origins of Army Historical Units
The precursors to modern MHDs emerged during World War II in the form of experimental "Intelligence and Historical Service units." Established in April 1944, the Army initially formed nine of these units. Each unit was led by a senior historian and a lieutenant colonel, supported by a monograph unit comprising one officer, two enlisted historians, and a clerk typist.
To ensure comprehensive data collection, these central groups utilized flexible contact teams, each consisting of two enlisted and two commissioned historians. Furthermore, 36 additional teams were created, many of which focused specifically on documenting the Air Force. In total, the Army committed approximately 300 personnel to these historical efforts. During this era, units operated with significant autonomy, and the quality of their histories varied based on the standards of their respective commanding officers.
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Post-War Reorganization and the OCMH
Following World War II, the Army sought to standardize its historical efforts by creating the Office of the Chief Historian of the Army (OCMH). This transition led to a reorganization of historical units; while many were deactivated, one remained in the Regular Army and 26 were maintained in the Army Reserve.
Unlike the WWII units, these post-war detachments shifted their primary focus toward historical source collection rather than the independent production of manuscripts. By 1949, a tiered structure was implemented to streamline operations:
- A Teams: Consisted of three historians, a clerk, and a driver. They provided support to theater historians and supervised B teams.
- B Teams: Consisted of a historian, a clerk, and a driver, providing support to a corps.
- C Teams: Followed a similar structure to B teams but provided support to division historians.
From the Korean War to Vietnam
The outbreak of the Korean War necessitated further changes. Reserve units were disbanded in favor of a streamlined organization of two A teams, six B teams, and four C teams. On September 22, 1950, the first MHD organized under a Table of Organization and Equipment (TOE)—the standard document detailing the personnel and equipment for a unit—was unveiled.
Despite facing limited support, these units achieved notable successes. For example, Russell Gugeler, an MHD commander in Korea, served as the lead author for the book Combat Actions in Korea.
A major reorganization occurred in 1963. By 1970, 35 detachments had been formed, with 26 operating in Vietnam. While these units were under the command of theater commanders, the OCMH provided the necessary training, policy guidance, and activity support.
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Modern Role and Current Structure
In the post-Vietnam era, the structure of the MHD shifted significantly. Currently, only one military history detachment is maintained in the Regular Army, with the remainder consisting of National Guard and Reserve components. These modern units typically comprise one officer and two enlisted personnel.
The scope of MHD work extends beyond active combat zones to include domestic disaster documentation. Following the March 23, 1994, disaster at Fort Bragg's Green Ramp, the 44th MHD was tasked with documenting the Army's response. This work contributed to the 1996 publication Disaster on Green Ramp: The Army's Response by Mary Condon-Rall.
Key Facts
- Established: Experimental units first formed in April 1944.
- Governing Body: The Office of the Chief Historian of the Army (OCMH) provides policy and training.
- Personnel: Modern Reserve/Guard units typically consist of one officer and two enlisted members.
- Growth: From 22 units in 1998, the number of MHDs increased to 35 by 2008.
- Scope: Documentation includes both foreign combat zones and domestic incidents (e.g., Fort Bragg).
| Era/Year | Unit Structure/Count | Primary Focus |
|---|---|---|
| WWII (1944) | 9 units (~300 personnel) | Autonomous history writing |
| Post-WWII (1949) | A, B, and C Teams | Source collection for OCMH |
| Vietnam (1970) | 35 detachments (26 in Vietnam) | Theater-level documentation |
| Modern (2008+) | 35 units | Reserve/Guard support & specialized documentation |
Frequently Asked Questions
What is the primary purpose of a Military History Detachment?
The primary purpose of an MHD is to collect historical sources and document military operations and incidents as they happen, providing a factual record for the Office of the Chief Historian of the Army.
How did the role of MHDs change after World War II?
After WWII, the focus shifted from the autonomous production of manuscripts to the systematic collection of historical sources to support the centralized efforts of the OCMH.
Do MHDs only operate in war zones?
No. MHDs also document non-combat incidents, such as the 44th MHD's work documenting the Army's response to the Green Ramp disaster at Fort Bragg in 1994.
What is the current composition of a typical MHD?
Most current detachments are part of the National Guard or Reserve and consist of one officer and two enlisted personnel.
Who provides the training and policy for these units?
While they may be under the command of theater commanders during deployments, the Office of the Chief Historian of the Army (OCMH) provides the training and policy guidelines.