Army · SSN history

663 Title not stated in source

Appendix I lists Army SSN 663 as deleted, with SSNs 903 and 911 as suggested substitutes. It does not establish an automatic conversion to either code or a merger into both.

Codes named in this history

Codes without a directory match

  • 903 stated by the source. No directory or archive record matches.
  • 911 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, which contains the list, not an established effective date for deleting SSN 663.

  • The table does not identify the specialty title for SSN 663 or explain when to use each suggested substitute.
Source extraction notes

Appendix I lists deleted SSN 663 with suggested substitutes 903, 911. 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 references 1 and 2.

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