Marine Corps · SSN history

983 ASTP Junior Engineer and Armament Specialist

Appendix B identifies SSN 983, formerly titled “ASTP Junior Engineer and Armament Specialist,” as a classification deleted for Marine Corps use. Its “Appropriate SSN” instruction required review of the individual’s job and qualifications to select a replacement, rather than conversion to a fixed successor code.

Documented history

ASTP Junior Engineer and Armament Specialist

June 1945 is the manual’s publication date; no effective date for the deletion is given.

  • The earlier title appears in the AR 615-26 September 1942 and supplements column; the June 1945 Present Title column is blank.
Source extraction notes

Predecessor title from the AR 615-26 column: ASTP Junior Engineer and Armament Specialist. Suggested conversions/remarks: Appropriate SSN. Source language is nondeterministic; no single successor is forced. 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.