ATP 3-91 — Division Operations

ATP 3-91 governs division operations, including organization, deployment, mission command, and offensive, defensive, and stability tasks.

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  • Publication number: ATP 3-91
  • Title: DIVISION OPERATIONS
  • Date: 10/17/2014
  • Proponent: T2COM
  • Status: ACTIVE

View ATP 3-91 on armypubs.army.mil


ATP 3-91 covers division organization, force tailoring, mission command, deployment, defense, offense, stability, reconnaissance, security, mobility, air support, counter-UAS, cyberspace operations, and regionally aligned forces. It describes techniques for conducting these operations and addresses the division’s primary stability tasks and special topics.

Applies to: Divisions conducting operations in the territorial limits of the United States (U.S.) and its territories must be imminently familiar with the doctrine contained in ADP/ADRP 3-28.

Topics covered

  • Division organization
  • Force tailoring
  • Division deployment
  • Mission command
  • Defensive tasks
  • Offensive tasks
  • Stability tasks
  • Counter-unmanned aerial system operations

Questions and answers

What are the fundamentals of successful security operations in a division?

Successful security operations depend on properly applying five fundamentals: Provide early and accurate warning. Provide reaction time and maneuver space. Orient on the force or facility to be secured. Perform continuous reconnaissance. Maintain enemy contact. (paragraph 8-35)

What primary stability tasks can a division conduct?

The division can be involved in the conduct of all five Army primary stability tasks: Establish civil security (including security force assistance). Establish civil control. Restore essential services. Support to governance. Support to economic and infrastructure development. (paragraph 7-8)

What is the normal command relationship between sustainment brigades and a division?

Sustainment brigades are normally assigned or attached to a theater sustainment command with a support relationship to the division. (paragraph 1-47)

Which units can perform security operations for a division?

When properly task-organized, augmented, and supported, any element assigned to or supporting the division may perform security operations. (paragraph 8-84)

What responsibilities does the maneuver enhancement brigade have in the division support area?

The maneuver enhancement brigade main command post coordinates and synchronizes security operations for the division support area. (paragraph 8-82)

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