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 below. Utilize the search field and categories
in the menu to find more resources.
Recent Activity
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TM 4-15.21: Maritime Standards and Safety - Published on May 4th, this publication contains guidance, instructions, technical data, drawings, illustrations, procedures, and descriptions pertinent to the configuration, modification, application, inspection, fabrication, maintenance and repair, and use of safety and emergency equipment.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
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Maintenance Meeting Playbook - This Interactive Multimedia Instruction (IMI) provides an infromative representation of how maintenance meetings are conducted for officers and maintenance managers to reference and leverage when shaping their org's maintenance meetings.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 New, Key Links, Articles, & Videos; Training (GTAs, Courses, ARTs, Tasks); References; OCS Contacts; and Reports & Links.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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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
