Marine Corps · SSN history

557 Depot Engineering Chief

Appendix B identifies SSN 557 as Depot Engineering Chief under AR 615-26 of September 1942 and its supplements, and suggests SSN 751 as a possible replacement. This was not an automatic conversion: each individual's qualifications had to be reviewed against the job specifications.

Codes named in this history

Other history records

These source identifiers have archive pages. Their availability does not establish current service use or retirement.

Documented history

Depot Engineering Chief

June 1945 is the manual's publication date; no effective date for this change is stated.

  • No June 1945 Present Title is listed for SSN 557, and the entry does not establish a fixed successor.
Source extraction notes

Predecessor title from the AR 615-26 column: Depot Engineering Chief. Suggested conversions/remarks: 751. 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.