Army · SSN history

311 Title not stated in source

Army SSN 311 was listed as deleted, with SSNs 188 and 590 suggested as substitutes. The listing does not establish an automatic conversion to either specialty.

Codes named in this history

Codes without a directory match

  • 188 stated by the source. No directory or archive record matches.
  • 590 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, which contains the listing, not an established date for the deletion.

  • The listing does not give SSN 311's specialty title or describe its duties.
Source extraction notes

Appendix I lists deleted SSN 311 with suggested substitutes 188, 590. 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.