Marine Corps · SSN history

191 Rodman and Chainman, Surveying

Appendix B identifies SSN 191 as “Rodman and Chainman, Surveying” under AR 615-26 of September 1942 and its supplements, and suggests SSNs 227, 230, or 705 as alternatives. These were not automatic replacements: each person's Qualification Card had to be reviewed against the job specifications before selecting a suitable specialty.

Codes named in this history

Codes without a directory match

  • 227 stated by the source. No directory or archive record matches.
  • 230 stated by the source. No directory or archive record matches.
  • 705 stated by the source. No directory or archive record matches.

Documented history

Rodman and Chainman, Surveying

June 1945 is the manual's publication date; the entry gives no effective date for a change to SSN 191.

  • The June 1944 tentative-title and June 1945 present-title entries are blank. The record does not establish a fixed split into the three suggested specialties.
Source extraction notes

Predecessor title from the AR 615-26 column: Rodman and Chainman, Surveying. Suggested conversions/remarks: 227, 230, 705. 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.