| Acronym | Meaning |
 | RPD | Recognition-Primed Decision-making |
| OIOC | Oriental & India Office Collections (in The British Library) |
| LVL | Latvian Lats (ISO 4217 Currency Code) |
| J2 | Joint Intelligence Directorate |
| OBSS | Off Board Sensor Systems - Ordo Byantinus Sancti Sepulchri (Byzantine Order Of The Holy Sepulchre) - Orbiter Boom Sensor System (space Shuttle) - Origins Billion Star Survey |
| HYE | Armenian Language (ISO 639-2 Code) |
| Q1 | First Quarter |
| LRS | Long Range Surveillance |
| IED | Improvised Explosive Device |
| ENE | East North-East |
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