MCDP 3 is listed as current in the MCPEL catalog (publication date 1998-04-16).

Where do I download the official MCDP 3?

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

MCDP 3 — EXPEDITIONARY OPERATIONS

MCDP 3 is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11). Note: its publication date is 1998-04-16 — 28 years old — so check for newer interim changes before citing it.

Branch	U.S. Marine Corps
Series	MCDP
Publication date	1998-04-16 (28.2 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

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Nearby in the MCDP series

MCDP 1-3 — TACTICS Current
MCDP 1-4 — COMPETING Current
MCDP 2 — INTELLIGENCE Current
MCDP 4 — LOGISTICS Current
MCDP 5 — PLANNING Current

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