| Acronym | Meaning |
| VDR | North Vietnam (ISO 3166 Trigram |
| POLAD | Political Advice |
| CCII | Command And Control Information Infrastructure |
| TOP | Tongan Pa'anga (ISO 4217 Currency Code) |
| AM | Americium |
| JT | Johnston Atoll (ISO 3166 Digram; Obsolete 1986) -Junior Technician (RAF) |
| BDNF | Brain-Derived Neurotrophic Factor |
| BD | Bangladesh (ISO 3166 Digram) - Bermuda (FIPS 10-4 Territory Code) |
| LH | Lithuania (FIPS 10-4 Country Code) -Luteinising Hormone |
| UMC | United Microelectronics Corporation |