Marine Corps · SSN history

254 Water Supply Engineer

Appendix B lists SSN 254 as Water Supply Engineer under AR 615-26, September 1942 and supplements, and suggests SSN 727 as a possible conversion. This was not an automatic replacement: each affected Marine’s Qualification Card had to be reviewed against the job specifications.

Codes named in this history

Codes without a directory match

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

Documented history

Water Supply Engineer

June 1945 is the manual’s publication date, not an effective conversion date. No effective date is given for this entry.

  • No title is listed for SSN 254 in the June 1945 Present Title column; the entry does not establish a fixed transition to SSN 727.
Source extraction notes

Predecessor title from the AR 615-26 column: Water Supply Engineer. Suggested conversions/remarks: 727. 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.