Marine Corps · SSN history

923 Welder, Armor Plate

Appendix B identifies SSN 923 as “Welder, Armor Plate” under AR 615-26 of September 1942 and its supplements, and lists SSNs 255, 256 and 257 as suggested conversions. These were alternatives requiring review of each Marine’s Qualification Card against the job specifications, not an automatic split into three successor specialties.

Codes named in this history

Codes without a directory match

  • 255 stated by the source. No directory or archive record matches.
  • 256 stated by the source. No directory or archive record matches.
  • 257 stated by the source. No directory or archive record matches.

Documented history

Welder, Armor Plate

June 1945 is the manual’s publication date. No effective date for a change to SSN 923 is stated.

  • No title is listed for SSN 923 in either the June 1944 tentative-title column or the June 1945 Present Title column; the entry does not establish a fixed replacement.
Source extraction notes

Predecessor title from the AR 615-26 column: Welder, Armor Plate. Suggested conversions/remarks: 255, 256, 257. 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.