| Acronym | Meaning |
| PJS | Pajamas (pee-jayz) |
| GBR | United Kingdom Of Great Britain And Northern Ireland (ISO 3166 Trigram) |
| AD | Air Defence -Andorra (ISO 3166 Digram) -Anno Domini (Latin |
| BAI | Battlefield Air Interdiction |
| CBLA | Comparative Bullet Lead Analysis |
| BH | Bahrain (ISO 3166 Digram) - Belize (FIPS 10-4 Country Code) |
| SM | Samarium |
| IE | Interlingue Language (ISO 639-1 Code) |
| UGV | Unmanned Ground Vehicle |
| FAS | Persian Language (ISO 639-2 Code) |