Army · SSN history

621 Title not stated in source

Army SSN 621 was listed as deleted, with SSNs 619 and 620 suggested as substitutes. This establishes suggested alternatives, not a merger or an automatic reassignment to either code.

Codes named in this history

Codes without a directory match

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

Documented history

Title not stated in source

No effective deletion date is stated. June 30, 1945 is the publication date of Change 2, not an established date for deleting SSN 621.

  • The table does not identify the specialty title associated with SSN 621.
Source extraction notes

Appendix I lists deleted SSN 621 with suggested substitutes 619, 620. 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.