| Abbreviation | Definition |
|---|---|
| NCCS | Nuclear Command and Control System |
| NCCS-A | Naval Command and Control System - Afloat |
| NCD | Net Control Device |
| NCD | Non-Continous Duty |
| NCE | National Centers of Excellence |
| NCE | National Conference and Exhibition |
| NCES | Net-Centric Enterprise Services |
| NCESGR | National Committee of Employer Support For The Guard and Reserve |
| NCF | Naval Construction Force |
| NCF | Non-Compliant Forces |
| NCFSU | Naval Construction Force Support Unit |
| NCGM | Nordic Centre for Gender in Military |
| NCHB | Navy Cargo Handling Battalion |
| NCHF | Navy Cargo Handling Force |
| NCHP | Nickel- Chromium Honeycomb Panel |
| NCI&KA | National Critical Infrastructure and Key Assets |
| NCID | Naval Criminal Investigations Division |
| NCIS | Naval Criminal Investigative Service |
| NCIS | Navy Criminal Investigation System |
| NCISRA | Naval Criminal Investigative Service Resident Agent |