ATP 4-91 — Division Sustainment Operations (this Item Is Published W/ Basic Incl C1)

ATP 4-91 governs sustainment at the division echelon, with emphasis on the division sustainment brigade and supporting units.

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  • Publication number: ATP 4-91
  • Title: DIVISION SUSTAINMENT OPERATIONS (THIS ITEM IS PUBLISHED W/ BASIC INCL C1)
  • Date: 11/08/2022
  • Proponent: T2COM
  • Status: ACTIVE

View ATP 4-91 on armypubs.army.mil


It covers division sustainment organizations, planning, distribution management, support to offensive and defensive operations, division support areas, and health service support. It requires commanders, staffs, and subordinates to ensure that their decisions and actions comply with applicable United States, international, and, in some cases, host-nation laws and regulations.

Applies to: ATP 4-91 applies to the Active Army, Army National Guard/Army National Guard of the United States and United States Army Reserve unless otherwise stated.

Topics covered

  • Division sustainment organizations
  • Division sustainment brigade
  • Distribution management
  • Sustainment planning
  • Division support area operations
  • Health service support
  • Human resources support
  • Composite truck company capabilities

Questions and answers

What does the division sustainment brigade provide during Army operations?

The DSB supporting division operations provides sustainment support and services within the Army operational context of competition, crisis, and conflict to ensure the division commanders freedom of movement, operational reach, and prolonged endurance. (paragraph 4-0)

What is the role of the division sustainment troops battalion?

The role of the DSTB is to provide C2 for organic, assigned, and attached units and integrate, synchronize, and control the execution of operations for human resources (HR), financial management, and field service (field feeding and mortuary affairs) units supporting division operations. (paragraph 2-54)

What types of command posts does the division sustainment brigade use?

There are three types of CPs: main CP, tactical CP, and early entry CP. (paragraph 2-189)

How does the distribution management process allocate transportation?

Distribution integrators use the information provided by the materiel managers to coordinate with the transportation managers to allocate transportation by commodity, quantity, priority, and recommended mode. (paragraph 3-19)

What medical functions does health service support include?

HSS includes four of the ten medical functions: Medical treatment (organic and area support), which includes CBRN patients. Hospitalization. MEDEVAC (to include medical regulating) and the provision of en route care to patients being transported. MEDLOG (to include blood management) inclusive of all class VIII supplies, equipment, and services necessary to sustain these operations. (paragraph 6-9)

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