Marine Corps · Legacy SSN

589 Heavy Antiaircraft Gun NCO

Converted to 601, effective 1945.

Documented history

Heavy Antiaircraft Gun NCO · Converted to 601, effective 1945

Predecessor title from the June 1944 tentative-manual column: Heavy Antiaircraft Gun NCO. Suggested conversions/remarks: 601. The table gives no row-level effective date; effectiveTo records the June 1945 manual year.

Sources

Sourced from official classification manuals and messages. Spot an error? Let us know.