MCO 3504.1A — Marine Corps Lessons Learned Program

MCO 3504.1A governs the Marine Corps Lessons Learned Program and its policy for identifying trends, resolving issues, and sharing best practices.

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• Publication number: MCO 3504.1A
• Title: MARINE CORPS LESSONS LEARNED PROGRAM
• Date: 2 Jan 2025
• Proponent: 03000 Operations & Readiness
• Status: Current

View MCO 3504.1A on armypubs.army.mil

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It covers the MCLLP mission, execution framework, after action report template, security memorandum template, and AAR point-of-contact information. It requires active component units to submit AARs within 30 days of event completion and reserve component units within 60 days.

Topics covered

• Marine Corps Lessons Learned Program
• After Action Reports
• AAR submission timelines
• Security memorandum templates
• Lessons learned phases
• AAR point-of-contact information

Questions and answers

What is the AAR submission goal for active component units?

In order to ensure accurate and relevant lessons the goal is for active component units to submit AARs within 30 days of event completion while recollections and experiences are sharpest. (paragraph 3)

What is the AAR submission goal for reserve component units?

The AAR submission goal for reserve component units is within 60 days of event completion in order to accommodate a development, review, and submission process occurring over two consecutive unit drill periods. (paragraph 3)

How should AARs be reviewed for classification marking?

AARs should be reviewed at the MSC level (e.g., division, wing, logistics group) or higher for proper classification marking. (paragraph 4)

What is the MCLLP method for collecting and sharing lessons?

The MCLLP codifies a Marine Corps knowledge sharing framework employing a system of people, processes, tools, and organizations. (paragraph 4)

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