R 231814Z MAR 26Z MAR 26
MARADMIN 122/26
MSGID/GENADMIN/CMC WASHINGTON DC T&E//
SUBJ/FISCAL YEAR 2027 MILITARY OCCUPATIONAL SPECIALTIES MANUAL
CHANGES IMPLEMENTATION//
REF/A/DOC/NAVMC 1200.1M/2 MAR 26//
REF/B/DOC/NAVMC 3500.132/31 MAY 23//
NARR/REF (A) IS NAVMC 1200.1M MOS MANUAL. REF (B) IS NAVMC
3500.132 MARINE CORPS MILITARY OCCUPATIONAL SPECIALTIES MANUAL
PROGRAM GUIDANCE//
POC 1/J. COUTU/CIV/TECOM QUANTICO/TEL:DSN 278-3252/TEL:COMM (703)
784-3252/EMAIL:[email protected]//
POC 2/N. NORMAN/CIV/TECOM QUANTICO/TEL:DSN 378-0071/TEL:COMM
(703)432-0071/EMAIL:[email protected]//
GENTEXT/REMARKS//
- Each year the Marine Corps Human Resource Development Process
is synchronized through publication of ref (A), the Military
Occupational Specialties (MOS) Manual. Ref (B) governs the process.
Ref (A) defines occupational specialties found on tables of
organization, identifies skills to meet organizational requirements,
and otherwise provides information that enables the Marine Corps
to carry out its assigned mission to organize, train, assign and
manage the force. The annual revision of the MOS Manual was
coordinated with the January 2026 authorized strength report.
- The fiscal year (FY) 2027 MOS Manual contains significant and
numerous changes. A complete list of changes can be found in the
conversion tables (chapters 2 and 4) of ref (A), which can be
viewed on the website identified in paragraph (par) 5 below.
2.a. New officer MOSs were created in occupational fields (OccFlds)
05, 17, 59, 80, and 88. New enlisted MOSs were created in OccFlds
05, 13, 17, 59, and 81.
2.b. Enlisted MOS 2146 (Heavy Ordnance Vehicle Repairer/Technician)
has been deleted.
2.c. There are MOS title changes in officer OccFlds 02, 06, 26, 30,
75, 80 and 82; there are no officer grade structure changes.
2.d. There are MOS title changes in enlisted OccFlds 06, 13, 28,
63, 82, and 86; and there are grade structure changes in enlisted
OccFld 06.
2.e. There are changes to the summary, requirements, and
prerequisites fields within the MOS Manual in officer and enlisted
OccFlds 01, 02, 03, 04, 05, 06, 08, 09, 11, 13, 17, 18, 21, 23, 26,
27, 28, 30, 33, 34, 41, 44, 45, 55, 57, 59, 60, 61, 62, 63, 64, 65,
66, 68, 70, 72, 73, 80, 81, 82, 86, and 88.
2.f. There are no officer category status changes. There are
category status changes in the enlisted OccFld 06.
- To ensure content accuracy and completeness of the MOS Manual,
significant changes to the MOS Manual were reviewed in accordance
with ref (B) by the personnel, organization and training working
groups, featuring representatives of Total Force Structure Division,
Training and Education Command (TECOM), and Manpower and Reserve
Affairs (M&RA), as well as occupational field managers and MOS
specialists.
- Execution
4.a. As of 1 October 2026, the Total Force Structure Management
System and Marine Corps Total Force System (MCTFS) will be updated
to reflect the revisions set forth in ref (A).
4.b. Commanding officers and all personnel that rely on information
management systems, including, but not limited to MCTFS, Total Force
Structure Management System, and Marine Corps Training Information
Management System, shall familiarize themselves with the
revisions and take actions as directed in the manual.
4.c. Commanding officers of reporting units must process MOS
conversions, deletions, and / or report any new MOSs for Marines
based on the revised manual as of 1 October 2026.
4.d. School directors will begin awarding updated MOSs on 1 October
2026 at which time obsolete MOSs will no longer be awarded.
4.e. DC M&RA
4.e.1. Convert MOSs in all systems including MCTFS as summarized in
chapters 2 and 4 of ref (A).
4.e.2. Ensure appropriate action is completed for Marines affected
by deletion of their Primary MOS.
- The MOS Manual was approved on 2 March 2026 and is posted on the
Marine Corps directives website. The new MOS chart and ref (A) can
be viewed at https://usmc.sharepoint-mil.us/sites/TECOM_PSD_MOSMan.
- The MOS Manual is approved for implementation as of 1 October
2026 (FY 2027).
- This Manual is applicable to the Marine Corps Total Force.
- Release authorized by LtGen Benjamin T. Watson, Deputy
Commandant for Training and Education.//