MCO 4000.56A — Marine Corps Policy On Depot Maintenance Core Capabilities

MCO 4000.56A governs Marine Corps policy and procedures for depot maintenance core logistics capabilities and their determination.

Search MCO 4000.56A

  • Publication number: MCO 4000.56A
  • Title: MARINE CORPS POLICY ON DEPOT MAINTENANCE CORE CAPABILITIES
  • Date: 5 Jan 2017
  • Proponent: 04000 Logistics
  • Status: Current

View MCO 4000.56A on armypubs.army.mil


It covers the DMC2 Determination Process, the New Acquisition Core Determination Process, contingency requirements, and resource adjustment methodologies. It requires identifying, retaining, and reporting Marine Corps DM Core Logistics Capabilities and submitting the DMC2 Determination Report biennially.

Applies to: Reference (d) applies regardless if the Source of Repair (SOR) is organic, Depot Maintenance Interservice Support Agreement (DMISA), or commercial.

Topics covered

  • Depot maintenance core logistics capabilities
  • DMC2 Determination Process
  • New Acquisition Core Determination Process
  • Core Quantity determination
  • Contingency Requirements Factor methodology
  • Resource Adjustment Factor methodology
  • Depot maintenance sustaining workload
  • Depot Source of Repair

Questions and answers

What is the purpose of the DM Core Determination Process?

To provide policy and procedural guidance concerning the requirement for maintenance of Marine Corps DM Core Logistics Capabilities and execution of the DM Core Determination Process. (paragraph 3)

How often must the DMC2 Determination be calculated and reported?

Reference (b) assigns responsibilities, outlines the methodology for the DM Core Capabilities (DMC2) Determination Process, and directs the Services to calculate and report DMC2 Determination to the Office of the Secretary of Defense (OSD) biennially. (paragraph 1)

What does the New Acquisition Core Determination Process determine?

The NACD Process is how a PEI is analyzed during the EFDS and/or Defense Acquisition System phases of development to determine its status as a DM Core requirement and to ensure a GO/GO DM Core Logistics Capability is in place as early as possible in the acquisition lifecycle, but no later than four years after IOC. (paragraph 2)

What is the DM Core Quantity?

The number of PEIs required to support the contingency scenarios. The Core Quantity can refer to new acquisitions or PEIs already in service. (paragraph 9)

What is DM Core Sustaining Workload?

Workload, expressed in DLHs, assigned to a DoD depot maintenance activity during peacetime in order to maintain Core capability for specified weapon systems, end items, and components.

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