Marine Corps · SSN history

614 Mortar NCO

Appendix B identifies SSN 614 as “Mortar NCO” in the June 1944 tentative manual and lists SSN 607 as a suggested conversion. This was not an automatic replacement: each affected Marine’s Qualification Card had to be reviewed against the job specifications before correction.

Codes named in this history

Codes without a directory match

  • 607 stated by the source. No directory or archive record matches.

Documented history

Mortar NCO

June 1945 is the manual’s publication date. No effective date is given for the suggested conversion from 614 to 607.

  • The June 1945 Present Title column is blank for SSN 614; the entry does not establish a same-code rename or a fixed successor.
Source extraction notes

Predecessor title from the June 1944 tentative-manual column: Mortar NCO. Suggested conversions/remarks: 607. The table gives no row-level effective date. June 1945 is the manual publication date, not an effective conversion date.

Source documents (1)

Reviewed September 24, 2026 against references 3 and 4.

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.