Is MCO 3058.1 current?

MCO 3058.1 is listed as current in the MCPEL catalog (publication date 2014-10-23).

Where do I download the official MCO 3058.1?

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

MCO 3058.1 — MARINE CORPS MISSION ASSURANCE

MCO 3058.1 is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11). Note: its publication date is 2014-10-23 — 12 years old — so check for newer interim changes before citing it.

Branch	U.S. Marine Corps
Series	MCO
Publication date	2014-10-23 (11.7 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

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Get an email if MCO 3058.1 is revised, superseded, or rescinded.

Nearby in the MCO series

MCO 3000.2J — SUBMISSION REQUIREMENTS FOR THE COMMANDERS' OPERATIONAL STITUATION REPORT (SITREP) Current
MCO 3030.1A — MARINE CORPS CONTINUITY OF OPERATIONS (COOP) PROGRAM Current
MCO 3040.4 — MARINE CORPS CASUALTY ASSISTANCE PROGRAM (SHORT TITLE: MARCORCASASTPRO) Current
MCO 3061.1 — TOTAL FORCE MOBILIZATION AND DEPLOYMENT PLAN (TFMDP) VOLUMES 1-3 Current
MCO 3070.3 — PERSONAL PORTABLE ELECTRONIC DEVICE (PPED) POLICY 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 3058.1 in an official product.