Army · SSN history

742 Title not stated in source

Appendix I lists Army SSN 742 as deleted and recommends SSN 578 as a substitute. This establishes a suggested replacement, not a merger or an automatic conversion to 578.

Codes named in this history

Codes without a directory match

  • 578 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 the deletion of SSN 742.

  • The table does not identify the specialty title or duties for SSN 742.
Source extraction notes

Appendix I lists deleted SSN 742 with suggested substitute 578. 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.