Formerly known as Sustainment Unit One Stop (SUOS),
this portal is managed by the U.S. Army Combined Arms Support Command (CASCOM) and
provides consolidated access to Army sustainment resources, including training, doctrine, lessons learned,
and more.
Please check the recent activity section below for links to new and updated sustainment resources.
Also find commonly referenced sustainment resources and streaming video products below.
Utilize the search field and categories
in the menu to find more resources.
Recent Activity
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ATP 4-48: Aerial Delivery - Published on 28 Aug 2023, ATP 4-48 provides a holistic discussion of sustaining the force through the employment of airland, airdrop, and sling load methods of aerial delivery. This publication describes aerial delivery operations as a force multiplier in the Army distribution system, incorporates current doctrine for aerial delivery operations, and explains how aerial delivery operations play a vital role in supplying the force in dynamic and challenging operational environments.Updated on
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FM 4-0 Revision Update - FM 4-0, Sustainment Operations, is in the process of refining comments from the initial worldwide staffing and a focused review by several highly qualified experts through the end of August. Click Here to learn more.Ongoing Updates
FM 4-0 Revision Update
FM 4-0, Sustainment Operations, is in the process of refining comments from the initial worldwide staffing and a focused review by several highly qualified experts through the end of August. The revision is aligned with the recent update to FM 3-0, Operations and provides information on how the Army provides sustainment support across the range of military operations during large-scale combat operations. The FM describes how Army forces meet sustainment challenges and conduct multidomain operations as part of a joint and multinational force. FM 4-0 provides tactics and procedures that addresses the four elements of the sustainment warfighting function (logistics, financial management, personnel services, and health service support) and is the capstone Army sustainment doctrine reinforced by the multiple recently published Army Techniques Publications. ATP 4-93, Theater Sustainment Operations, ATP 4-92, Field Army and Corps Sustainment Operations, and ATP 4-91, Division Sustainment Operations, that delve into the detailed techniques for conducting sustainment operations at echelon.
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ATP 4-13: Army Expeditionary Intermodal Operations - Published on 21 June 2023, provides the updated framework on the employment of Army expeditionary intermodal capabilities to include aerial and seaport operations in support of multidomain operations. It addresses the fundamentals of Army intermodal operations and general terminal operation techniques tying together various transportation competencies to enhance deployment, redeployment, and distribution operations for the end to-end movement of personnel, equipment, or forces.Updated on
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ATP 4-93: Theater Sustainment Operations - This publication completes the sustainment doctrinal publication series that focuses on a holistic discussion of how we sustain forces at echelon. This publication describes sustainment support at the theater echelon with particular emphasis on the theater sustainment command (TSC), expeditionary sustainment command (ESC), other strategic partners, and those sustainment organizations. This manual is a companion manual to ATP 3-93, Theater Army Operations, and provides the foundation for Army sustainment operations at the theater level of warfare.Updated on
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Mercury Application - Mercury is designed to assist Logistics Planners quickly determine their supply requirements for a given operation using CASCOM Planning Data Branch's Planning Factors.Updated on Requires CAC credentials. Available via NIPR only.
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ATP 4-92: Field Army And Corps Sustainment Operations - This publication describes sustainment support operations at field army and corps echelons with particular emphasis on the expeditionary sustainment command, sustainment brigade, and the combat sustainment support battalion. This manual is a companion manual to ATP 3-92, Corps Operations, and provides the foundation for Army sustainment operations at the operational level of warfare.Updated on
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ATP 3-35: Army Deployment and Redeployment - Revision to this doctrine publication was published on 9 March 2023. ATP 3-35 provides the Army’s authoritative doctrine for planning, organizing, executing, and supporting deployment and redeployment. The revision updates processes and procedures for: Mobilization; Blocking, Bracing, Packaging Containerization and Tie-down (BBPCT); Port Support Activity (PSA) operations; and Installation Deployment Support Plan (IDSP).Updated on
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CASCOM Training Technology Product Catalog - This downloadable PDF file contains lists of the most current CASCOM Virtual Training resources for Quartermaster, Ordnance and Transportation. The catalog serves as a complementary, offline tool to the Virtual Training Resoruces section of this website, and is updated regularly.Updated on
Commonly Referenced Sustainment Resources
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Sustainment Force Structure Book - The Sustainment Force Structure Book is a data reference and resource that provides a snapshot of sustainment organizations by Standard Requirements Code (SRC). This snapshot includes a brief statement of the organization's mission and functions, capabilities, employment, basis of allocation, doctrinal mobility and dependencies derived from its base Table of Organization and Equipment (TOE). The information provided on sustainment organizations reflects a fully modernized and approved organizational structure for personnel and equipment. Modification Table of Organization and Equipment (MTOEs) for each organization will vary based on force management guidance and priorities.Resource Ownership: CASCOM Force Development Directorate Requires CAC credentials
Access the Force Management System (FMSWeb) for access to Unit MTOEs. Note: Access requires CAC credentials. -
OPLOG Planner - Click to request via MS Teams. OPLOG Planner is designed to assist logistics planners in calculating supply usage estimates in support of operations. This program is specifically designed to support operations typically associated with multi-phase operation plans (OPLAN) and operation orders (OPORD).Resource Ownership: Planning Data Branch, CASCOM Requires CAC credentials
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Quick Logistics Estimation Tools - Click to request via MS Teams. Provides links to abbreviated logistics estimation spreadsheet tools for calculating initial class of supply requirements, such as required LBS, STONS, Pallets, and Platform; based on force strength, operational phase, and climate. Includes: Platform Calculator, Quick Logistics Estimation Tool, Food and Water Tool, Class III Bulk Estimation Tool, and Convoy Planning Tool.Resource Ownership: Planning Data Branch, CASCOM Requires CAC credentials
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The Preventive Maintenance Magazine - Informs Army and DoD readiness by emphasizing preventive maintenance and promoting proper maintenance and supply procedures (AR 700-138). Review of the magazine will be a regular part of unit readiness efforts. A reader service is available to answer maintenance and supply questions.Resource Ownership: Army Sustainment Command (ASC)
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Army OCS Portal - Provides the following OCS resources: What is OCS; OCS training aids, publications, documentation, articles and more.Resource Ownership: OCS, CASCOM Requires CAC credentials
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Sustainment Training Strategy 21 - This strategy is designed to support building and assessing Large Scale Combat Operations (LSCO) sustainment unit progressive training readiness, and support Army Chief of Staff’s intent that, “We must be ready to defeat any enemy, anywhere, whenever called upon, under any condition.” The core of strategy are the three appendices, which provide a detailed description of unit training paths by echelon with emphasis on platoon level training. They contain Notional Training Path Models for “how to train” at Platoon, Company, and higher headquarters level (Battalion, Brigade, TSC, and ESC).Resource Ownership: Collective Training Requires CAC credentials
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ATP 4-91: Division Sustainment Operations - ATP 4-91 describes sustainment at echelon and provides details on sustainment organizations operating at the division echelon. It is written for commanders, staffs and Soldiers at all levels, leaders and instructors at military institutions, students, and doctrine and training developers. It provides relevant information on the capabilities of the DSB and DSB employment considerations.Resource Ownership: Doctrine
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GCSS-Army and Property Accountability - Access training resources for the GCSS-Army system, as well as important resources such as the Property Accountibility Virtual Playbook, SSA Multimedia Package, and more.Resource Ownership: Quartermaster, CASCOM
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Command Maintenance Discipline Program (CMDP) - Commanders, Staff, and Soldiers of Active, Reserve, and National Guard Component Sustainment Brigades, BSBs, TSCs, ESCs and other Sustainment and Logistics formations of the Operational Force should use the Command Maintenance Discipline Program to learn more about their role in understanding and improving readiness rates within their units and within the Generating Force.Resource Ownership: Ordnance Requires CAC credentials
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Deployer's Toolbox - The Deployer's toolbox is a collaborative effort designed to aggressively pursue improvements to the deployment processes in order to advance, standardize, implement, and maintain Army deployment readiness and capability.Resource Ownership: Transportation DPMO Requires CAC credentials
