| Acronym | Meaning |
 | IMPAC | International Merchant Purchase Authorization Card |
| BFF | Best Friends Forever |
| PA | Pascal - Protactinium |
| SIFF | Successor IFF |
| ESH | Western Sahara (ISO 3166 Trigram) |
| DNM | Defence Nuclear Material |
| FBIDST | Fellow Of The British Institute Of Dental And Surgical Technologists |
| ITAS | Improved Target Acquisition Sight |
| AAAI | American Association For Artificial Intelligence |
| NVESD | Night Vision And Electronic Sensors Directorate |
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