| Acronym | Meaning |
| PDF | Panama[nian] Defense Forces (abolished 1990) - Portable Document Format - Principal Direction Of Fire |
| PI | P?li Language (ISO 639-1 Code) |
| CFO | Chief Financial Officer |
| SVD | Singular Value Decomposition - Snaiperskaya Vintovka Dragunova (??????????? ???????? ????????? |
| TRP | Troop |
| NWA | National Wrestling Alliance |
| ICBM | Intercontinental Ballistic Missile |
| EOTS | Electro-Optical Tactical Sensor |
| MOT | Ministry Of Transport (UK) |
| SM | Samarium |