Specialist (Key Punch Operator and Supervisor)
The change is dated only to 1948; no month or day is given.
Source extraction notes
Malin/BUPERS source assertion: Established 1948 from the ratings of Specialist (I) (Punched Card Accounting Machine Operators) and Specialist (X) (Key Punch Operators and Supervisors). | included in Machine Accountant 1948. Normalized as merged/included. Reconciles 2 reciprocal, grade-specific, or repeated source assertions for the same predecessor/date.
Source documents (2)
Reviewed September 23, 2026 against references 1 and 3.
- Charles A. Malin/Bureau of Naval Personnel, Compilation of Enlisted Ratings and Apprenticeships, U.S. Navy, 1775 to 1969 (rev. Dec. 1969)
1. #anchorm, Machine Accountant entry; #anchors, Specialists (X) (KP) Key Punch Operators and Supervisors entry; reproduced on archived Ohio PDF p. 9, 17 · source dated December 1969 · cited by the explanation
Open source document (opens in a new tab)3.Charles A. Malin/Bureau of Naval Personnel, Compilation of Enlisted Ratings and Apprenticeships, U.S. Navy, 1775 to 1969 (rev. Dec. 1969) · event transcription · docs/legacy-data/navy-rating-history.jsonl:108; #anchorm, Machine Accountant entry; #anchors, Specialists (X) (KP) Key Punch Operators and Supervisors entry; reproduced on archived Ohio PDF p. 9, 17 · cited by the explanation
Open source document (opens in a new tab) - Charles A. Malin/Bureau of Naval Personnel, Abbreviations Used for Navy Enlisted Ratings (1970)
2. alphabetic abbreviation list, Sp(X)(KP), MA entries · source dated 1970
Open source document (opens in a new tab)