Is MCTP 3-40D current?

MCTP 3-40D is listed as current in the MCPEL catalog (publication date 2023-04-14).

Where do I download the official MCTP 3-40D?

The official copy is published on MCPEL (https://www.marines.mil/News/Publications/MCPEL/).

MCTP 3-40D — GENERAL ENGINEERING

MCTP 3-40D is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11).

Branch	U.S. Marine Corps
Series	MCTP
Publication date	2023-04-14 (3.2 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

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Get an email if MCTP 3-40D is revised, superseded, or rescinded.

Nearby in the MCTP series

MCTP 3-40A — HEALTH SERVICE SUPPORT Current
MCTP 3-40B — TACTICAL LOGISTICS Current
MCTP 3-40C — OPERATIONAL-LEVEL LOGISTICS Current
MCTP 3-40E — MAINTENANCE OPERATIONS Current
MCTP 3-40F — DISTRIBUTION AND TRANSPORTATION OPERATIONS Current

This is an unofficial index built from the public catalog. The controlling copy is always the one on MCPEL — verify there before citing MCTP 3-40D in an official product.