MCTP 3-40D — General Engineering

MCTP 3-40D governs general engineering support by the Army and Marine Corps across joint and multinational military operations.

Search MCTP 3-40D

  • Publication number: MCTP 3-40D
  • Title: GENERAL ENGINEERING
  • Date: 14 Apr 2023
  • Proponent: 03000 Operations & Readiness
  • Status: Current

View MCTP 3-40D on armypubs.army.mil


MCTP 3-40D covers life cycle activities, planning and design, construction, project management, base camps, transportation infrastructure, real property, power systems, and water operations. It requires consideration of interconnected life cycle activities, including planning and design, construction, operation, maintenance, and transfer and closure.

Topics covered

  • General engineering support
  • Life cycle activities
  • Base camp planning and construction
  • Construction planning and estimating
  • Bridging
  • Road maintenance and repair
  • Power systems
  • Well-drilling operations

Questions and answers

What life cycle activities does MCTP 3-40D identify?

General engineering life-cycle activities include—  Planning and design.  Construction.  Operation.  Maintenance.  Transfer and closure. (paragraph 1-2)

What are base camps developed to support?

Base camps are developed to serve a specific purpose (such as an intermediate staging or forward operating or logistics base or as support for reception, staging, onward movement, integration, training, detainee processing, and resettlement); or they may be developed to serve a multifunctional purpose. (paragraph 9-31)

What principles characterize successful base camps?

Successful base camps are characterized by four principles that are incorporated throughout the life cycle. (paragraph 9-32)

What missions do engineers supporting logistics installations have?

Engineers tasked to support logistics installations have four major missions: provide new facilities, maintain existing facilities, recover and repair facilities damaged by hostile actions, and upgrade existing facilities to meet minimum standards or usage requirements. (paragraph 9-51)

What is required for road inspections?

Road inspections are essential to prevent road failure. (paragraph 7-114)

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