| Acronym | Meaning |
| NRC | National Research Council (U.S.) - Nuclear Regulatory Commission (U.S.) |
| ZH | Chinese Language (ISO 639-1 Code) |
| AV | Attovolt |
| JMS | Java Message Service |
| LCC | Land Component Commander |
| CDA | UK Centre For Defence Analysis |
| CNO | Computer Network Operations |
| GDC | General Dental Council |
| CU | Cuba (FIPS 10-4 Country Code; ISO 3166 Digram) |
| TP | East Timor (ISO 3166 Digram; Obsolete 2002) - S?o Tom? And PrĀncipe (FIPS 10-4 Country Code) -Training Practice |