MCO 3504.2A — Operations Event/incident Report (oprep-3) Reporting

MCO 3504.2A governs Marine Corps operations event and incident reporting through the OPREP-3 reporting structure.

Search MCO 3504.2A

  • Publication number: MCO 3504.2A
  • Title: OPERATIONS EVENT/INCIDENT REPORT (OPREP-3) REPORTING
  • Date: 7 Aug 2013
  • Proponent: 03000 Operations & Readiness
  • Status: Current

View MCO 3504.2A on armypubs.army.mil


It covers report categories, reportable events and incidents, contact information, message formats, and sample reports. It requires synchronous and asynchronous reporting for OPREP-3 SIR events, including a voice report and an asynchronous message.

Topics covered

  • OPREP-3 reporting
  • Serious incident reports
  • Reportable events and incidents
  • Synchronous voice reports
  • Asynchronous message reports
  • OPREP-3 reporting contacts
  • OPREP-3 SIR message formats

Questions and answers

When must an OPREP-3 SIR voice report be provided to the MCOC?

Provide a voice report to the MCOC within 30 minutes of any event or incident, or within 30 minutes of becoming aware of any event or incident, reportable under this directive. (paragraph 2)

Does the initial voice report replace the asynchronous message report?

The initial synchronous (voice) report does not alleviate the requirement to submit an asynchronous (message) report. Both reports are required. (paragraph 2)

What is the time standard for WHITE PINNACLE exercises?

The time standard for WHITE PINNACLE exercises is 20 minutes. (paragraph 3)

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