589th Brigade Support Battalion
Organizational Legacy
"First With Service"

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"M1075 PLS Trucks Delivering Concrete Barriers - Apr 2006"

Battalion Distinctive Unit Insignia


The 1st Cavalry Division, a major subordinate command of the US Third Mobile Armored Corps, is a 19,000 soldier, heavy armored division stationed at Ft. Hood, TX. As one of the two "on-call" heavy contingency force divisions of the Army, the First Team has an on-order mission to deploy by sea, air or land to any part of the world on a short notice. The following narratives, divided in timeline eras of major operational missions, describes the threat environment, tactical conditions, evolution of equipment technology and the strategic methodology employed by one of its command units, the 41st Fires Brigade and its Subordinate Units, to contribute to the successful missions enhancement of the warring organization of the 1st Cavalry Division and the honors they achieved are summarized in the chapters that follow.


The mission of the 589th Brigade Support Battalion, "Iron Caissons", is to provide logistical support to 41st Fires Brigade, 1st Cavalry Division. The 589th Brigade Support Battalion is organized with a Headquarters and Headquarters Company, and two Support Companies, "Alpha" and "Bravo".

Organizational Summary:

The Fires Brigade plans, prepares, executes, and assesses operations to provide close support, shaping, and decisive fires for the Division. The Fires Bigade is the primary executor of Army and Joint fires in areas not assigned to Brigade Combat Teams. It is capable of employing Army and Joint air surface and aerially delivered fires as well as incorporating Special Operations Forces (SOF), Information Operations (IO), Civil Affairs (CA), and Army Airspace Command and Control (A2C2) elements. The Fires Brigade gives the Division/corps commander a headquarters to plan, synchronize, and execute strike, counterstrike, and reinforcing fires across the division.

The Fires Brigade also has the necessary command and control structure to integrate attached ground and air maneuver forces and function as a maneuver headquarters for limited operations. Fires Brigades are characterized by networked intelligence, robust communications, and systems that facilitate the efficient application of fires. The fires brigade is capable of being a supported or supporting unit and providing and coordinating Joint lethal and non-lethal fires including Information Operations (IO). Fires Brigades also have the necessary fires support and targeting structure to effectively execute the entire decide, detect, deliver, and assess (D3A) process.

Logistics Support to Modular Force Brigades

The Brigade Support Battakions (BSBs) provides support to the Fires Brigade by providing and/or coordinating supplies and support, field maintenance and transportation support along with a mix of capabilities that can be organized for any combination of offensive, defensive, stability operations, or civil support operations.

Concept of Support

The Brigade Support Battalion plans, coordinates, synchronizes, and executes replenishment operations in support of brigade operations. It distributes supply, food service and Army Health System (AHS), as well as field maintenance and limited recovery. It maintains visibility of the theater distribution system, synchronizing the flow of throughput into the operational area of the Brigade.

BSBs provide a materiel carrying capability that enables the brigades to conduct sustained operations for a finite period of time. BSBs typically plan and execute replenishment operations in support of maneuver force battles and engagements. They are deliberate, time-sensitive operations conducted to replenish forward support companies with essential supplies to sustain the operations tempo. When required, a supporting sustainment brigade may augment BSB capabilities during BSB-planned and executed replenishment operations.

Synchronization of Battle Rhythm and Logistics Operations

Support operations are fully integrated with the brigade battle rhythm through planning and oversight of on-going operations. Logistics and operational planning occurs simultaneously rather than sequentially. Incremental adjustments to either the maneuver or logistics plan during its execution must be visible to all Fire Brigade elements. The logistics synchronization matrix and logistics reports are both used to initiate and maintain synchronization between operations and logistics functions.

Supply Point Distribution

Supply point distribution requires unit representatives to move to a supply point to pick up their supplies. Supply point distribution is most commonly executed by means of a Logistics Release Point (LRP). The LRP may be any place on the ground where unit vehicles return to pick up supplies and then take them forward to their unit. Occasionally, the LRP is the brigade support area (BSA) itself.

Refuel On The Move

The Refuel On the Move (ROM) method is conducted by having a fixed time and place to conduct the refuel operations Concurrent with unit battle rhythm. As a general rule, a ROM operation is established and conducted as part of a unit movement. A ROM may be built to support several types of units passing through a point sequentially.


The Modular Force has allowed Army units to become more responsive and lexible as Army commanders required. The needs of the Commander can be met with greater efficiency, and decreased response times. There will no longer be a need to disassemble large unitized structures to create specialized task forces that leave behind valuable manpower. The Modular Force Brigades are part of the transforming Army which provides commanders with ready and relevant warfighting capabilities that are mission-tailored and scalable. BSBs provide a mix of capabilities that can be organized for any combination of support operations.

Formation of the 589th Brigade Support Battalion

On 29 July 1944, the 589th Brigade Support Battalion, "Iron Caissons," was constituted in the Army of the United States as Headquarters and Headquarters Detachment, 589th Quartermaster Battalion, Mobile, and activated in England. It served in three campaigns during the Second World War: Rhineland, Ardennes-Alsace, and Central Europe.

On 1 August 1946, the unit was converted and redesignated as Headquarters and Headquarters Detachment, 589th Transportation Corps Truck Battalion. On 01 February 1947, the unit was converted and redesignated as Headquarters and Headquarters Detachment, 589th Quartermaster Battalion. It was inactivated on 20 June 1948 in France.

To Be continued ...............

Functions performed by the subordinate elements of the Battalion are:

HHC Headquarters & Headquarters Company
"A" Company
"B" Company

This folio of material highlights of the many subsequent historical critical missions performed by members of the 115th Brigade Support Battalion, whose actions, operations and the many critical issues resolved over its 92+ years history to meet the changing threat and the honors they achieved are summarized in the following sections:

Table of Contents

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Copyright © 1996, Cavalry Outpost Publications ® and Trooper Wm. H. Boudreau, "F" Troop, 8th Cavalry Regiment (1946 - 1947). All rights to this body of work are reserved and are not in the public domain, or as noted in the bibliography. Reproduction, or transfer by electronic means, of the History of the 1st Cavalry Division, the subordinate units or any internal element, is not permitted without prior authorization. Readers are encouraged to link to any of the pages of this Web site, provided that proper acknowledgment attributing to the source of the data is made. The information or content of the material contained herein is subject to change without notice.

Revised 03 Apr '12 SpellChecked