MCO 11011.23A — Marine Corps Encroachment Management Program

MCO 11011.23A governs the Marine Corps Encroachment Management Program and its policies and procedures for mission sustainment.

Search MCO 11011.23A

  • Publication number: MCO 11011.23A
  • Title: MARINE CORPS ENCROACHMENT MANAGEMENT PROGRAM
  • Date: 20 Jul 2020
  • Proponent: 11000 Facilities & Activities Ashore
  • Status: Current

View MCO 11011.23A on armypubs.army.mil


It covers encroachment categories, the five-phase Encroachment Management Cycle, mission compatibility evaluations, programs, studies, training, and resource programming. It requires metrics, reporting, stakeholder engagement, and proactive management actions at all echelons.

Topics covered

  • Encroachment Management Cycle
  • Encroachment categories
  • Mission compatibility evaluation
  • Resource programming
  • Metrics and reporting
  • Stakeholder engagement
  • Management action evaluation

Questions and answers

What is the purpose of the Marine Corps Encroachment Management Program?

The Marine Corps Encroachment Management Program requires proactive management actions and stakeholder engagement at all echelons to avoid, mitigate, or repair the mission constraints resulting from environmental laws and regulations, population growth, and accompanying incompatible uses around installations and RTAs. (paragraph 1)

What does the Military Mission Footprint include?

The MMF refers to the combination of air, land, and sea space, as well as electromagnetic spectrum, required to support the military training and operations of the Operating Forces and Service-level training within a Region or an Installation. (paragraph 1)

What must installations and regions provide for encroachment metrics reporting?

MCIs and Regions will measure the performance and effectiveness of their Encroachment Management Programs through annual encroachment management reports validated by their respective EMATs, endorsed by the Installation Commander and Region CG, and provided to COMMCICOM. (paragraph 3)

How are encroachment management program funds requested?

All commands and directorates shall request and receive encroachment management program funding via the HQMC PPB&E process. (paragraph 3)

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