Marine Corps · SSN history

220 Water Pumpman

Appendix B lists SSN 220, Water Pumpman, under AR 615-26 of September 1942 and its supplements, with SSN 727 as a suggested conversion. This was not an automatic replacement: each affected individual's qualifications had to be reviewed against the manual's 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 Pumpman

June 1945 is the manual's publication date; no effective date is given for the suggested conversion.

  • The June 1945 Present Title column is blank for SSN 220, so the entry does not establish a same-code rename.
Source extraction notes

Predecessor title from the AR 615-26 column: Water Pumpman. 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.