Marine Corps · SSN history

259 Well Driller

Appendix B lists SSN 259, Well Driller, under AR 615-26 of September 1942 and its supplements, with SSNs 359 and 727 as suggested alternatives. Neither was an automatic conversion: each affected Marine’s Qualification Card had to be reviewed against the job specifications to determine the appropriate classification.

Codes named in this history

Codes without a directory match

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

Documented history

Well Driller

June 1945 is the manual’s publication date. The entry gives no effective date for a conversion or for the end of SSN 259.

  • The June 1945 Present Title column is blank; the entry does not establish a fixed split into SSNs 359 and 727.
Source extraction notes

Predecessor title from the AR 615-26 column: Well Driller. Suggested conversions/remarks: 359, 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.