Marine Corps · SSN history

938 Gunnery Instructor

SSN 938, Gunnery Instructor in the June 1944 tentative manual and the September 1942 regulation and supplements, was deleted for Marine Corps use. The instruction “Appropriate SSN” required individual review of the Marine’s job and qualifications to select a replacement, not automatic conversion to a fixed successor.

Documented history

Gunnery Instructor

No effective date for the deletion is stated. June 1945 is the manual’s publication date, not a dated conversion or cancellation.

Source extraction notes

Predecessor title from the June 1944 tentative-manual column: Gunnery Instructor. Suggested conversions/remarks: Appropriate SSN. Source language is nondeterministic; no single successor is forced. 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.