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MCO 3150.4A — MARINE CORPS DIVING POLICY AND PROGRAM ADMINISTRATION

MCO 3150.4A is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-10-05). Status is mirrored from that catalog, re-checked weekly — every change is logged. Note: its publication date is 2015-10-22 — 11.0 years old — so check for newer interim changes before citing it.

Open the document Official document (MCPEL)

Branch	U.S. Marine Corps
Series	MCO
Publication date	2015-10-22 (11.0 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Publications that cite MCO 3150.4A

MCO 5100.29C VOLUMES 1-9 w/CH-2 — MARINE CORPS SAFETY MANAGEMENT SYSTEM (MCSMS) Current 1 mention

If MCO 3150.4A changes, these are the documents that point at it. Extracted from the publications' own text, so it reflects what we have read, not a complete dependency map. Every publishing office validates its own document; nobody validates the seams between them.

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Nearby in the MCO series

MCO 3120.13 — POLICY FOR MARINE EXPEDITIONARY UNITS (MEU) Current
MCO 3120.8A — POLICY FOR THE ORGANIZATION OF FLEET MARINE FORCES FOR COMBAT Current
MCO 3125.1B — MARINE CORPS FLYING HOUR PROGRAM (FHP) MANAGEMENT Current
MCO 3300.4A — MARINE CORPS LAW OF WAR PROGRAM Current
MCO 3311.2A — MARINE CORPS TACTICAL AIR CONTROL PARTY (TACP) PROGRAM Current

This is an unofficial index built from the public catalog. The controlling copy is always the one on MCPEL — verify there before citing MCO 3150.4A in an official product.