Marine Corps · SSN history

698 Acoustic Correction Operator

Appendix B identifies SSN 698 as Acoustic Correction Operator under AR 615-26 of September 1942 and its supplements. The notation “None” means there was no Marine Corps specialty for that earlier classification; no successor is specified.

Documented history

Acoustic Correction Operator

June 1945 is the manual’s publication date. The entry gives no effective date for the classification change.

  • The entry does not establish that the Army occupation was abolished.
  • No June 1945 Present Title is listed for SSN 698.
Source extraction notes

Predecessor title from the AR 615-26 column: Acoustic Correction Operator. Suggested conversions/remarks, as printed: None. None means no Marine Corps specialty is identified for this earlier meaning; it does not establish that the Army occupation was abolished. The table gives no row-level calendar effective date. June 1945 is the manual publication date, not an inferred individual 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.