Marine Corps · SSN history

809 Decontaminating Equipment Operator

Appendix B identifies SSN 809 as Decontaminating Equipment Operator under AR 615-26 of September 1942 and its supplements, and suggests SSNs 521 or 870 as possible conversions. These were not automatic replacements: each 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

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

Documented history

Decontaminating Equipment Operator

June 1945 is the manual’s publication date; no effective date for a conversion of SSN 809 is given.

  • The June 1945 Present Title column is blank, and the entry does not establish a fixed successor or an automatic split into both suggested classifications.
Source extraction notes

Predecessor title from the AR 615-26 column: Decontaminating Equipment Operator. Suggested conversions/remarks: 521, 870. 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.