Is MCO 3902.1E current?

MCO 3902.1E is listed as current in the MCPEL catalog (publication date 2022-06-27).

Where do I download the official MCO 3902.1E?

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

MCO 3902.1E — MARINE CORPS STUDIES SYSTEM

MCO 3902.1E is listed as current Current
in the MCPEL catalog as of our last index refresh (2026-07-11).

Branch	U.S. Marine Corps
Series	MCO
Publication date	2022-06-27 (4.0 years ago)
Status	Current
Proponent / OPR	Not listed
Source of record	MCPEL

Official document (MCPEL)

Watch this publication

Get an email if MCO 3902.1E is revised, superseded, or rescinded.

Nearby in the MCO series

MCO 3900.18 — HUMAN RESEARCH PROTECTION PROGRAM (HRPP) Current
MCO 3900.19 — APPLYING ENERGY PERFORMANCE METRICS AND MEASURES IN REQUIREMENTS DEVELOPMENT AND ACQUISITION DECISION-MAKING Current
MCO 3900.20 — MARINE CORPS CAPABILITIES BASED ASSESSMENT Current
MCO 3960.6 — MARINE CORPS SCIENCE AND TECHNOLOGY (S&T) Current
MCO 4000.52A — MARINE CORPS PROCEDURES FOR PROCESSING EXPORT LICENSES 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 3902.1E in an official product.