52nd Ordnance Group (EOD)
The 52nd Ordnance Group (EOD) is a United States Army command headquarters responsible for coordinating explosive ordnance disposal forces in the eastern continental United States.
Last updated August 26, 2026
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Overview
The 52nd Ordnance Group (EOD) is one of the United States Army's three explosive ordnance disposal group headquarters. Based at Fort Campbell, Kentucky, it provides command and control for Army EOD battalions and companies located east of the Mississippi River in the continental United States. The organization is not a commercial brand; its identity represents a military command, its subordinate formations, and the specialist capabilities assigned to it. The group's operational purpose is to deploy, organize, and direct EOD forces in support of combatant commanders and other government agencies. Its subordinate teams are trained to locate, assess, render safe, recover, and dispose of a broad range of hazards. These include conventional unexploded ordnance, chemical and biological munitions, nuclear-related ordnance, and improvised explosive devices. EOD personnel may operate in combat zones, on military training ranges, during domestic emergency responses, and in support of protective-security missions. In peacetime, the group supports the clearance of unexploded ordnance and other hazardous material from active Army ranges. It may also assist civilian law-enforcement agencies when military EOD expertise is required and provide support to the United States Secret Service during visits or movements involving protected officials. These missions place the group at the intersection of military readiness, public safety, counter-IED operations, and protection against chemical, biological, radiological, nuclear, and explosive threats. The formation has a long and frequently revised lineage. It was constituted in December 1943 and activated at Camp Hood, Texas, during World War II. After wartime service, it underwent several redesignations and periods of inactivation, including service as an ordnance service group and an ordnance composite group. It was reactivated in the Regular Army in 1952, inactivated in 1955, and reactivated again in 1965 for service connected with the Vietnam War. The group was inactivated in Vietnam in 1967. The present EOD headquarters lineage was established through redesignation in 1993, when the headquarters and headquarters detachment was activated at Fort Gillem, Georgia. In the early 2000s, the organization moved to Fort Campbell, Kentucky, where it became associated with the 184th Ordnance Battalion (EOD) and assumed responsibility for a network of EOD battalions and companies across the eastern United States. Its subordinate formations have included units at Fort Campbell, Fort Stewart, Fort Benning, Fort Bragg, Fort Belvoir, and Fort Drum. The group's structure and subordinate-unit assignments can change as the Army reorganizes its EOD force. The 52nd Ordnance Group carries World War II and Vietnam campaign credit and has received an Army Meritorious Unit Commendation. Its wartime lineage includes participation credits for Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe, as well as Vietnam campaigns. The group's continuing role is to maintain deployable EOD command capacity while supporting Army installations and other government partners during domestic and overseas missions.
History
The 52nd Ordnance Group traces its lineage to a World War II headquarters and headquarters detachment constituted in the Army of the United States on 20 December 1943. It was activated one week later at Camp Hood, Texas, and received campaign participation credit for major operations in the European theater, including Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe. Following World War II, the organization was reorganized and redesignated several times. On 27 May 1946 it became the Headquarters and Headquarters Detachment of the 52nd Ordnance Service Group, and on 20 December of that year it was redesignated the 52nd Ordnance Composite Group. The formation was inactivated in Austria on 30 June 1948. The unit was redesignated on 8 January 1952 as Headquarters and Headquarters Company, 52nd Ordnance Group, and allotted to the Regular Army. It was activated at Fort Bragg, North Carolina, on 28 January 1952, but was inactivated there on 16 May 1955. The headquarters returned to active service at Fort Bragg on 2 December 1965 and later received Vietnam campaign participation credit for the Counteroffensive, Counteroffensive Phase II, and Counteroffensive Phase III. It was inactivated in Vietnam on 20 October 1967. The modern EOD organization emerged from a later redesignation. On 1 October 1993, the headquarters and headquarters detachment was redesignated as the 52D Ordnance Group (EOD) and activated at Fort Gillem, Georgia. In the early 2000s, the group was reassigned to Fort Campbell, Kentucky, where it became the command headquarters for Army EOD battalions and companies east of the Mississippi River in the continental United States. The group coordinates subordinate EOD formations rather than selling products or services commercially. Its teams can respond to conventional munitions, improvised explosive devices, chemical and biological hazards, nuclear-related ordnance, and other CBRNE threats. Their responsibilities extend beyond combat deployment to include range-clearance operations, emergency assistance to civilian law enforcement, and support for Secret Service protective missions. The unit has received an Army Meritorious Unit Commendation and continues to serve as a deployable Army command for EOD operations.
- 2009
Move to Fort Campbell
[1]The group was reassigned to Fort Campbell, Kentucky, in the early 2000s, with the 184th Ordnance Battalion (EOD) associated with the command by early 2009.
- 1993
Modern EOD activation
[1]The headquarters and headquarters detachment was redesignated as the 52D Ordnance Group (EOD) and activated at Fort Gillem, Georgia.
- 1967
Inactivation in Vietnam
[1]The unit was inactivated in Vietnam on 20 October 1967 after receiving Vietnam campaign participation credit.
- 1965
Reactivation for Vietnam service
[1]The headquarters was reactivated at Fort Bragg on 2 December 1965.
- 1952
Regular Army reactivation
[1]Redesignated as Headquarters and Headquarters Company, 52nd Ordnance Group, the unit was activated at Fort Bragg on 28 January.
- 1948
Inactivation in Austria
[1]The formation was inactivated in Austria on 30 June 1948.
- 1946
Postwar redesignations
[1]The organization was redesignated first as the 52nd Ordnance Service Group and later as the 52nd Ordnance Composite Group.
- 1943
Constitution and activation
[1]The headquarters and headquarters detachment was constituted on 20 December 1943 and activated at Camp Hood, Texas, on 27 December.
Products and positioning
A specialized United States Army EOD command headquarters focused on coordinating deployable forces against explosive, chemical, biological, radiological, nuclear, and improvised explosive threats.
Marketing campaigns
- World War II European Theater
Europe
The group's lineage carries campaign participation credit for Normandy, Northern France, Rhineland, Ardennes-Alsace, and Central Europe.
- Vietnam War
Vietnam
The group received campaign participation credit for the Vietnam Counteroffensive, Counteroffensive Phase II, and Counteroffensive Phase III.
Outcome. The unit was inactivated in Vietnam in October 1967.
Sources2 sources
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