Special Artificer (O) (Optical) · Merged into OM, effective 1948
Malin/BUPERS source assertion: Established 1948 from the rating of Special Artificer (O) (Optical). Normalized as merged/included. One or more historical long-title variants were normalized to a reviewed companion-list abbreviation by similarity match; the intermediate ledger records the method and the audit lists the source anomalies.
Sources
- Charles A. Malin/Bureau of Naval Personnel, Compilation of Enlisted Ratings and Apprenticeships, U.S. Navy, 1775 to 1969 (rev. Dec. 1969) (#anchoro, Opticalman entry; reproduced on archived Ohio PDF p. 12)
- Charles A. Malin/Bureau of Naval Personnel, Abbreviations Used for Navy Enlisted Ratings (1970) (alphabetic abbreviation list, SAO, OM entries)