Marine Corps · SSN history

633 Antiaircraft Fire Control Electrician (Automatic Weapons)

Appendix B identifies SSN 633 as Antiaircraft Fire Control Electrician (Automatic Weapons) under AR 615-26, September 1942 and its supplements, and suggests SSN 918 as a conversion option. This was not an automatic conversion: each affected Marine’s Qualification Card had to be reviewed against the job specifications before correction.

Codes named in this history

Codes without a directory match

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

Documented history

Antiaircraft Fire Control Electrician (Automatic Weapons)

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

  • The June 1945 Present Title column is blank, so the earlier title is not established as a continuing specialty under SSN 633.
Source extraction notes

Predecessor title from the AR 615-26 column: Antiaircraft Fire Control Electrician (Automatic Weapons). Suggested conversions/remarks: 918. 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.