Is MCO 1020.34H current?

MCO 1020.34H is listed as current in the MCPEL catalog (publication date 2018-05-01).

Where do I download the official MCO 1020.34H?

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

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MCO 1020.34H — MARINE CORPS UNIFORM REGULATIONS

MCO 1020.34H is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11). Note: its publication date is 2018-05-01 — 8 years old — so check for newer interim changes before citing it.

Branch	U.S. Marine Corps
Series	MCO
Publication date	2018-05-01 (8.2 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

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Cross-branch comparisons featuring this pub

Nearby in the MCO series

MCO 10110.48 — VETERINARY SURVEILLANCE INSPECTION OF SUBSISTENCE Current
MCO 10110.49 — NUTRITION AND MENU STANDARDS FOR HUMAN PERFORMANCE OPTIMIZATION Current
MCO 10120.31_ — INTRODUCTION OF NEW CLOTHING AND TEXTILE (C&T) ITEMS INTO THE DEPARTMENT OF DEFENSE (DOD) SUPPLY SYSTEM Current
MCO 1020.35 — INVOLUNTARY REMOVAL OF THE MARINE SPECIAL OPERATOR INSIGNIA (MSOI) Current
MCO 10330.2_ — STORAGE AND HANDLING OF LIQUEFIED AND GASEOUS COMPRESSED GASES AND THEIR FULL AND EMPTY CYLINDERS 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 1020.34H in an official product.