Marine Corps · SSN history

543 Radio Intelligence Chief

Appendix B identifies SSN 543 as Radio Intelligence Chief in the June 1944 tentative manual and suggests SSN 739 as a replacement. This was not an automatic conversion: each affected Marine’s qualifications had to be reviewed against the job specifications.

Codes named in this history

Codes without a directory match

  • 739 stated by the source. No directory or archive record matches.

Documented history

Radio Intelligence Chief

June 1945 is the manual’s publication date; no effective date for this change is given.

  • The September 1942 regulations and supplements column lists the earlier title Radio Intelligence Control Chief; no June 1945 title is listed for SSN 543.
  • The record does not establish that an individual Marine was reassigned SSN 739.
Source extraction notes

Predecessor title from the June 1944 tentative-manual column: Radio Intelligence Chief. Suggested conversions/remarks: 739. 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.