Marine Corps · SSN history

933 Instrument Landing Equipment Repairman

Appendix B identifies SSN 933 as Instrument Landing Equipment Repairman under AR 615-26 of September 1942 and its supplements, and suggests SSNs 174, 649, or 759 as possible conversions. These were not automatic replacements: each affected Marine’s Qualification Card had to be reviewed against the job specifications before selecting a suitable specialty.

Codes named in this history

Other history records

These source identifiers have archive pages. Their availability does not establish current service use or retirement.

Codes without a directory match

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

Documented history

Instrument Landing Equipment Repairman

June 1945 is the manual’s publication date; no effective date for a change to SSN 933 is given.

  • The June 1945 Present Title column is blank, and the entry does not establish a fixed split into three successor specialties.
Source extraction notes

Predecessor title from the AR 615-26 column: Instrument Landing Equipment Repairman. Suggested conversions/remarks: 174, 649, 759. 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.