FISCAL YEAR 2026 MILITARY OCCUPATIONAL SPECIALTIES MANUAL CHANGES IMPLEMENTATION


https://www.marines.mil/News/Messages/Messages-Display/Article/4137439/fiscal-year-2026-military-occupational-specialties-manual-changes-implementation/

R 271900Z MAR 25 MARADMIN 167/25 MSGID/GENADMIN/CG MCCDC QUANTICO VA// SUBJ/FISCAL YEAR 2026 MILITARY OCCUPATIONAL SPECIALTIES MANUAL CHANGES IMPLEMENTATION// REF/A/DOC/NAVMC 1200.1L/7 MAR 25// REF/B/DOC/NAVMC 3500.132/31 MAY 23// NARR/REF (A) IS NAVMC 1200.1L MOS MANUAL.  REF (B) IS NAVMC 3500.132 MARINE CORPS MILITARY OCCUPATIONAL SPECIALTIES MANUAL PROGRAM GUIDANCE// POC/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//

  1.  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 of Marines 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 February authorized strength report.
  2.  The fiscal year (FY) 2026 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 (OccFld) 72, 80, and 88; enlisted MOSs were created in OccFlds 03, 21, 35, 59, 72, 80, and 82. 2.b.  Officer MOSs 2125 (Electro Optics Instrument Repair Officer), 8246 (Foreign Area Officer (FAO)-South Asia), 8247 (FAO-Europe), and 8248 (FAO-Southeast Asia) have been deleted; enlisted MOS 8624 (Small Unmanned Logistics System-Air Specialist) has been deleted. 2.c.  There are no officer grade structure changes; there are grade structure changes in enlisted OccFld 02. 2.d.  There are many 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, 28, 30, 34, 35, 44, 45, 48, 55, 57, 58, 59, 60, 61, 63, 65, 66, 68, 70, 72, 73, 80, 81, 82, 84, 86, 87, and 88. 2.e.  There are MOS title changes in officer OccFlds 02, 03, 21, 72, 80, 82, and 86; MOS titles are changed in enlisted OccFlds 02, 03, 04, 26, 70, 73, and 86. 2.f.  There are no officer or enlisted category status changes.
  3.  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 mangers and MOS specialists.
  4.  Execution 4.a.  As of 1 October 2025, the Total Force Structure Management Systems and Marine Corps Total Force Systems (MCTFS) will be updated to reflect the revisions set forth in ref (A). 4.b.  Commanding officers and all personnel associated with the systems that rely on MOSs shall familiarize themselves with the revisions and take actions as directed in the manual. 4.c.  Commanding officers of reporting units must make any MOS conversions, deletions, or report any new MOSs for Marines based on the revised manual as of 1 October 2025. 4.d.  School directors began awarding updated MOSs on 1 October 2025 at which time obsolete MOSs are no longer 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.
  5.  The MOS Manual was approved on 7 March 2025 and will be posted on the Marine Corps Publications Electronic Library.  The new MOS chart and ref (A) can be viewed at https://usmc.sharepoint-mil.us/sites/TECOM_PSD_MOSMan.
  6.  The MOS Manual is approved for implementation as of 1 October 2025 (FY 2026).  
  7.  This Manual is applicable to the Marine Corps Total Force.
  8.  Release authorized by LtGen Benjamin T. Watson, Commanding General, TECOM.//