Marine Corps · SSN history

634 Antiaircraft Fire Control Electrician (Gun)

Appendix B lists SSN 634, Antiaircraft Fire Control Electrician (Gun), under the earlier AR 615-26 September 1942 and supplements titles, with 917 and 919 as suggested conversions. These were alternatives requiring review of each Marine’s qualifications against the job specifications, not an automatic split into two successor specialties.

Codes named in this history

Codes without a directory match

  • 917 stated by the source. No directory or archive record matches.
  • 919 stated by the source. No directory or archive record matches.

Documented history

Antiaircraft Fire Control Electrician (Gun)

June 1945 is the manual’s publication date; the entry gives no effective date for a conversion or end date for SSN 634.

  • The June 1945 Present Title column is blank, so the earlier title is not established as a current specialty title in that manual.
  • The entry does not establish a fixed replacement or say which suggested specialty applied to an individual Marine.
Source extraction notes

Predecessor title from the AR 615-26 column: Antiaircraft Fire Control Electrician (Gun). Suggested conversions/remarks: 917, 919. 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.