| Acronym | Meaning |
| COSCOM | Corps Support Command (military) |
| AAR | Afar Language (ISO 639-2 Code) |
| PWR | Pressurized Water Reactor |
| APP | Allied Procedural Publication |
| RQ | Puerto Rico (FIPS 10-4 Territory Code) |
| BGA | Ball Grid Array - Brandy And Ginger Ale (alcoholic Beverage) |
| HQ | HeadQuarters -Howland Island (FIPS 10-4 Territory Code) |
| ADA | Air Defence Artillery - American Dental Association - Assistant District Attorney - Americans With Disabilities Act (see Also The Similar But Non-acronymic Ada Programming Language) |
| LEN | Large Extension Node |
| NIH | National Institutes Of Health - Not Invented Here |