Army · SSN history

721 Title not stated in source

Appendix I lists Army SSN 721 as deleted and names SSN 667 as its suggested substitute. This establishes a suggested replacement, not a confirmed merger or automatic conversion to 667.

Codes named in this history

Codes without a directory match

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

Documented history

Title not stated in source

The deletion date is not stated. June 30, 1945 is the publication date of Change 2, not an effective deletion date.

  • The table does not state the specialty title or describe its duties.
Source extraction notes

Appendix I lists deleted SSN 721 with suggested substitute 667. The table does not print the deleted specialty title, so the neutral title placeholder is used. The row-level deletion date is unstated. The citation dates Change 2 to 30 June 1945; that publication date is not an effective deletion date.

Source documents (1)

Reviewed September 23, 2026 against reference 1.

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.