| Acronym | Meaning |
 | J1 | Joint [Manpower &] Personnel Directorate |
| APC | Armoured Personnel Carrier - Armour Piercing Capped (ammunition) |
| ASIO | Australian Security Intelligence Organisation -Audio Stream Input Output |
| RPM | Revolutions Per Minute |
| KIK | Gikuyu Language (ISO 639-2 Code) |
| TH | Terahenry - Thailand (ISO 3166 And FIPS 10-4 Country Code Digram) |
| SGD | Singapore Dollar (ISO 4217 Currency Code) |
| EK | Equatorial Guinea (FIPS 10-4 Country Code) - Exakelvin |
| HOTT OR HOTT | Hordes Of The Things (miniature Fantasy Wargaming Rules; A Play On The Lord Of The Rings) |
| ACA | Airspace Control Authority - Airspace Co-ordination Area - A Current Affair |
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