Marine Corps · SSN history

428 Psychological Assistant

Appendix B lists SSN 428, Psychological Assistant, under AR 615-26 (September 1942 and supplements) and suggests SSNs 262 or 275 for conversion. These were alternatives requiring individual qualification review against the job specifications, not an automatic split or fixed replacement.

Codes named in this history

Codes without a directory match

  • 262 stated by the source. No directory or archive record matches.
  • 275 stated by the source. No directory or archive record matches.

Documented history

Psychological Assistant

June 1945 is the manual’s publication date. No effective date for a conversion or end of SSN 428 is given.

  • The June 1945 Present Title column is blank for SSN 428.
Source extraction notes

Predecessor title from the AR 615-26 column: Psychological Assistant. Suggested conversions/remarks: 262, 275. The table gives no row-level effective date. June 1945 is the manual publication date, not an effective conversion date.

Source documents (1)

Reviewed September 24, 2026 against references 3 and 4.

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