Motor Machinist's Mate · Split into EN, CM, effective 1948
Malin/BUPERS source assertion: Re-established at all pay grades 1948 from the ratings of Motor Machinist's Mate, Motor Machinists's Mate (SR) (Diesel Engine Mechanics), and Motor Machinists's Mate (SR) (Gasoline Engine Mechanics). | Established 1948 from the ratings of Machinist's Mate (CB) (Equipment Operators) and Motor Machinist's Mate. | included in Engineman 1948. Normalized as split/multi-destination. Reconciles 4 reciprocal, grade-specific, or repeated source assertions for the same predecessor/date.
Sources
- Charles A. Malin/Bureau of Naval Personnel, Compilation of Enlisted Ratings and Apprenticeships, U.S. Navy, 1775 to 1969 (rev. Dec. 1969) (#anchore, Engineman entry; #anchorm, Mechanic entry; #anchorm, Motor Machinist's Mate entry; reproduced on archived Ohio PDF p. 7, 10, 11)
- Charles A. Malin/Bureau of Naval Personnel, Abbreviations Used for Navy Enlisted Ratings (1970) (alphabetic abbreviation list, MoMM, EN, CM entries)