MCO 1001.52K — Active Reserve (ar) Support To The United States Marine Corps Reserve

MCO 1001.52K governs management of Active Reserve support to the United States Marine Corps Reserve.

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  • Publication number: MCO 1001.52K
  • Title: ACTIVE RESERVE (AR) SUPPORT TO THE UNITED STATES MARINE CORPS RESERVE
  • Date: 15 Feb 2019
  • Proponent: 01000 Military Personnel
  • Status: Current

View MCO 1001.52K on armypubs.army.mil


It covers Active Reserve accessions, qualifications, applications, assignments, promotions, retention, separation, retirement, and service limits. It requires policies for mobilization, training, recruiting, personnel administration, and Total Force integration.

Applies to: This Order is applicable to the Marine Corps Total Force.

Topics covered

  • Active Reserve accessions
  • Active Reserve qualifications
  • Personnel assignments
  • Officer promotions
  • Enlisted retention
  • Service limits
  • Humanitarian requests
  • Total Force integration staff training

Questions and answers

What is the purpose of the Active Reserve program?

The purpose of the AR program is to facilitate the integration of the USMCR within the Total Force. (paragraph 6)

Can the Active Reserve program replace Active Component staffing shortages?

Per reference (n), the AR program will not be used as a substitute for manning AC shortfalls or to replace AC InspectorInstructors (I-I) assigned to Selected Marine Corps Reserve (SMCR) units. (paragraph 6)

How long can Active Reserve Marines serve?

AR Marines will not be approved for service beyond 30 years of total federal service unless authorized by DC M&RA. (paragraph 7)

When must Active Reserve staff sergeants through master sergeants attend ETFIST?

AR Staff Sergeants through Master Sergeants will attend the Enlisted Total Force Integration Staff Training (ETFIST) at the first available opportunity. (paragraph 1-3)

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