ATP 3-21.10 — Infantry Rifle Company
ATP 3-21.10 governs doctrine for Infantry rifle company operations as part of a combined arms team in large-scale ground combat.
- Publication number: ATP 3-21.10
- Title: INFANTRY RIFLE COMPANY
- Date: 06/01/2026
- Proponent: T2COM
- Status: ACTIVE
View ATP 3-21.10 on armypubs.army.mil
ATP 3-21.10 covers organization, capabilities, limitations, command and control, offense, defense, sustainment, reconnaissance, security, and troop movement. It describes techniques for applying movement and maneuver, offensive and defensive operations, and tactical enabling operations.
Applies to: ATP 3-21.10 applies to the Active Army, the Army National Guard/the Army National Guard of the United States, and the United States Army Reserve unless otherwise stated.
Topics covered
- Infantry rifle company organization
- Combined arms operations
- Movement to contact
- Attack planning
- Area defense
- Infantry squad vehicle
- Sustainment operations
- Troop leading procedures
Questions and answers
Who does ATP 3-21.10 apply to?
ATP 3-21.10 applies to the Active Army, the Army National Guard/the Army National Guard of the United States, and the United States Army Reserve unless otherwise stated. (paragraph 3-96)
What movement techniques does the Infantry rifle company use?
The Infantry rifle company uses the movement formations described in table 2-1 in conjunction with three movement techniques: traveling, traveling overwatch, and bounding overwatch. (paragraph 2-16)
What is required for attacks involving Armored and Stryker forces and Infantry?
All attacks involving Armored and Stryker forces and Infantry must be well-planned, thoroughly coordinated, and fully rehearsed. (paragraph 2-134)
What protection does the Infantry squad vehicle provide?
The ISV is completely unarmored but allows the transport of Soldiers (see figure 1-4) to and from the battlefield faster than Soldiers walking. (paragraph 1-60)
What are troop leading procedures used for?
Troop leading procedures is a dynamic process used by small-unit leaders to analyze a mission, develop a plan, and prepare for an operation (ADP 5-0). (paragraph 3-144)