R 221400Z SEP 23
MARADMIN 480/23
MSGID/GENADMIN/CG TECOM QUANTICO VA//
SUBJ/FISCAL YEAR 2024 MILITARY OCCUPATIONAL SPECIALTIES MANUAL CHANGES IMPLEMENTATION//
REF/A/DOC/NAVMC 1200.1J/9 JUN 23//
REF/B/DOC/NAVMC 3500.132/31 MAY 23//
NARR/REF (A) IS NAVMC 1200.1J MOS MANUAL. REF (B) IS NAVMC 3500.132 MARINE CORPS MILITARY OCCUPATIONAL SPECIALTIES MANUAL PROGRAM GUIDANCE//
POC/K. POTTER/CIV/TECOM QUANTICO/TEL: DSN 278-3252/TEL: COMM (703) 784-3253/EMAIL: KENNETH.POTTER@USMC.MIL//
POC 2/N. NORMAN/CIV/TECOM QUANTICO/TEL: DSN 278-0071/TEL: COMM (703) 432-0071/EMAIL: NASHAWN.NORMAN@USMC.MIL//
GENTEXT/REMARKS/1.  The Marine Corps Human Resource Development Process is synchronized annually through publication of reference (a), the Military Occupational Specialties (MOS) Manual.  Reference (b) governs the process.  The manual defines occupational specialties found on tables of organization, identifies skills of Marines to meet organizational requirements, and provides information that enables the Marine Corps to carry out its assigned mission to organize, train, assign, and manage the force.  This annual revision of the MOS Manual was coordinated with the February authorized strength report.
2.  The Fiscal Year (FY) 2024 MOS Manual contains significant and numerous changes.  A complete list of changes can be found in the conversion tables (chapters two and four) of reference (a), which can be viewed on the website identified in paragraph four below.
2.a.  New officer MOSs were created in Occupational Fields (OccFld) 02, 04, 05, 17, 23, 44, 72, 75, and 97; new enlisted MOSs were created in OccFlds 02, 04, 05, 09, 23, 62, and 80.
2.b.  Officer MOSs 0530, 0535, and 0540 have been deleted; enlisted MOSs 0316, 0521, 0532, 0539, 5517, 6213, 6253, and 6283 have been deleted.
2.c.  There are grade structure changes in officer OccFlds 04, 05, and 55 in enlisted OccFlds 04, 08, 09, and 55.
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, 31, 33, 34, 35, 44, 45, 48, 55, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 68, 70, 72, 73, 75, 80, 86, 87, and 88.
2.e.  There are MOS title changes in officer OccFlds 02, 05, 09, 13, 48, 68, and 88 and enlisted OccFlds 05, 13, 26, 31, 55, 68, 73, and 86.
2.f.  There are category status changes in officer OccFld 05 and enlisted OccFld 55.
3.  To ensure content accuracy and completeness of the MOS Manual, significant changes to the MOS Manual were reviewed in accordance with reference (b) by the personnel, organization and training working group, featuring representatives of Total Force Structure Division, Training and Education Command, and Manpower and Reserve Affairs (M&RA), as well as OccFld mangers and MOS specialists.
4.  Execution
4.a.  As of 1 October 2023, the Total Force Structure Management Systems and Marine Corps Total Force Systems (MCTFS) were 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 2023.
4.d.  School directors will begin awarding updated MOSs on 1 October 2023; obsolete MOSs will no longer awarded.
4.e.  Deputy Commandant M&RA
4.e.1.  Convert MOSs in all systems including MCTFS as summarized in chapters two and four of reference (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 9 June 2023 and is posted on the Marine Corps directives website. The new MOS chart and reference (a) can be viewed at https:(slash)(slash)usmc.sharepoint-mil.us/sites/TECOM_PSD_MOSMan/default.aspx.
6.  The MOS Manual is approved for implementation as of 1 October 2023 (FY24).
7.  This Manual is applicable to the Marine Corps Total Force.
8.  Release authorized by Lieutenant General Kevin M. Iiams, Commanding General, Training and Education Command.//