Marine Corps · Legacy SSN

640 Teletypewriter Switchboard Operator

Converted to 237, effective 1945.

Documented history

Teletypewriter Switchboard Operator · Converted to 237, effective 1945

Predecessor title from the AR 615-26 column: Teletypewriter Switchboard Operator. Suggested conversions/remarks: 237. 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.