| Acronym | Meaning |
 | PJ | Petajoule |
| GLV | Manx Language (ISO 639-2 Code) |
| DBS | Direct Broadcast Services (television) |
| USR | Universal System Resources (/usr |
| RAP | Radio Access Point - Radiological Assistance Program (U.S. Department Of Energy) - Rear Area Protection - Recognised [Operating/Operational] Air Picture - Recurring Advance Payment - Relational Associative Processor - Reliable Acoustic Path - Rocket-Assis |
| SOP | Standing/Standard Operating Procedure |
| DZA | Algeria (ISO 3166 Trigram) |
| JDAM | Joint Direct Attack Munition (djay-dam) |
| IBDM | Information Based Decision Making |
| BRA | Brazil (ISO 3166 Trigram) |
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