Army · SSN history

171 Title not stated in source

Appendix I lists Army SSN 171 as deleted and recommends SSNs 533 and 729 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

  • 533 stated by the source. No directory or archive record matches.
  • 729 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 171.

  • The table does not identify SSN 171's specialty title or duties.
  • No conditions are stated for choosing between the two suggested substitutes.
Source extraction notes

Appendix I lists deleted SSN 171 with suggested substitutes 533, 729. 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.