Marine Corps · SSN history

877 Message Center Procedure Instructor

Appendix B identifies SSN 877 as “Message Center Procedure Instructor” under AR 615-26 of September 1942 and its supplements, and suggests SSN 667 as a possible replacement. This was not an automatic conversion: each affected individual's qualifications had to be reviewed against the job specifications.

Codes named in this history

Codes without a directory match

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

Documented history

Message Center Procedure Instructor

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

  • The June 1945 Present Title column is blank for SSN 877.
  • The suggested replacement does not establish that any particular individual was reclassified to SSN 667.
Source extraction notes

Predecessor title from the AR 615-26 column: Message Center Procedure Instructor. Suggested conversions/remarks: 667. 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.