Marine Corps · SSN history

377 Tracer

Appendix B identifies SSN 377 as “Tracer” under AR 615-26 of September 1942 and its supplements, and lists 070 and 076 as suggested conversions. These were alternatives requiring review of each Marine’s qualifications against the job specifications, not an automatic split or fixed replacement.

Codes named in this history

Codes without a directory match

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

Documented history

Tracer

June 1945 is the manual’s publication date. No effective date is given for the suggested conversions.

  • The June 1945 Present Title column is blank; the entry does not establish a specific cancellation or rename.
Source extraction notes

Predecessor title from the AR 615-26 column: Tracer. Suggested conversions/remarks: 070, 076. 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.