The most important thing I did during my time in the Army was to read.

General Colin L. Powell
FM 3-34 Cover
Engineers Status: Current 16 Dec 2025

FM 3-34

Engineer Operations

The foundational doctrinal guidance for U.S. Army engineers. This integrating publication nests engineer doctrine with Army capstone/keystone doctrine, focusing on synchronizing and coordinating the diverse range of capabilities in the Engineer Regiment to support land power and mission success.

Engineers Status: Current 14 Apr 2021

ATP 3-34.22

Engineer Operations: BCT and Below

This publication provides a doctrinal foundation for the conduct of engineer operations, focused on tactical maneuvers at the brigade combat team (BCT) level and below. The engineer organizations organic to the BCT are optimized to perform combat engineering tasks.

Engineers Status: Current 14 Apr 2023

ATP 3-34.40

General Engineering

This publication provides general engineering doctrine for the Army. This manual is linked to joint and Army doctrine to ensure its usefulness for joint and Army commanders and staffs.

Engineers Status: Current 5 Feb 24

ATP 3-34.45

Electric Power Generation and Distribution

This publication provides an integrated systematic approach to electric power generation, distribution, and management. It serves commanders and their staffs as a comprehensive guide for planning, producing, distributing, and managing electrical power in support of military operations.

Engineers Under Revision 10 Aug 15

ATP 3-34.5

Environmental Considerations

This manual provides guidance on integrating environmental considerations into operations. It defines environmental considerations and provides guidance on integrating them into the operations process.

Status Note: Under revision. Projected publication in 1st QTR, FY 27.
Engineers Status: Current 1 Mar 16

ATP 3-34.80

Engineer Reconnaissance

This publication provides techniques for the performance of tactical and technical engineer reconnaissance in support of military activities that are conducted across the full range of military operations.

Engineers Under Development N/A

ATP 3-34.91

Engineer Division Operations

This publication describes how U.S. Army engineers support and execute division operations, with a focus on armed conflict.

Status Note: New manual under development. Projected publication in 3rd QTR, FY 27.

*Note*: Current engineer publications can be accessed and downloaded in electronic format from the Army Publishing Directorate website at https://armypubs.army.mil/. Users must adhere to any limited-dissemination control markings that appear on publications and follow the authorized-dissemination requirements to authorized recipients only. Comments or questions about engineer doctrine can be directed to the MSCoE Doctrine Division.