Marine Corps · MOS history

0861 Fire Support Man

Marine Corps MOS 0861 was renamed from Fire Support Man to Fire Support Marine. The specialty number remained 0861.

The directory also lists 0861 Fire Support Marine. Current service use is not established for this directory entry.

Listed in today's directory

These codes have directory pages; their current use has not been reviewed, so no current claim is made here.

Fire Support Man

The recorded date for the title change is June 24, 2016, distinct from the June 30, 2016 publication date of MARADMIN 342/16.

Source extraction notes

Same-code title change to: Fire Support Marine.

Source documents (1)

Reviewed September 24, 2026 against references 1 and 2.

MARADMIN 342/16, Military Occupational Specialty Renaming
1. MARADMIN 342/16, para 4 old/new description tables · source dated June 30, 2016 · cited by the explanation
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2.MARADMIN 342/16, Military Occupational Specialty Renaming · event transcription · docs/legacy-data/usmc-mos-conversions.jsonl:201; MARADMIN 342/16, para 4 old/new description tables · cited by the explanation
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Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.