| Acronym | Meaning |
| ADDNS | Advanced Deployable Day/Night Simulation |
| NACISA | NATO Communications And Information Systems Agency |
| LBNL | Lawrence Berkeley National Laboratory |
| UNGEGN | United Nations Group Of Experts On Geographic Names |
| JU | Juan De Nova Island (FIPS 10-4 Territory Code) |
| GLV | Manx Language (ISO 639-2 Code) |
| KI | Gikuyu Language (ISO 639-1 Code) |
| HMP | Her Majesty's Prison |
| UXO | Unexploded Ordnance |
| GK | Gigakelvin - Guernsey (FIPS 10-4 Territory Code) |