| Acronym | Meaning |
 | WCW | World Championship Wrestling |
| NIMA | National Imagery And Mapping Agency (became NGA) |
| PCZ | Panama Canal Zone (ISO 3166 Trigram; Obsolete 1980) |
| ZA | Zhuang Language (ISO 639-1 Code) |
| LC | Line Of Contact -Saint Lucia (ISO 3166 Digram) |
| WHO | World Health Organisation |
| MSDL | Military Scenario Definition Language |
| AI | Air Interdiction -Anguilla (ISO 3166 Digram) -Amnesty International - Artificial Insemination - Artificial Intelligence |
| CNI | Communications |
| MZ | Mach-Zehnder (interferometer) -Magnetic Azimuth -Move |
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