| Acronym | Meaning |
| RUS | Russia (ISO 3166 Trigram) |
| NOTAM | Notice To Airmen |
| SESSPE | Submarine Escape And Surface Survival Personnel Equipment |
| EDECSIM | Extended Directed Energy Combat Simulation |
| WEZ | Weapon Engagement Zone |
| EBCDIC | Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD) |
| PV | Picovolt |
| BFA | Burkina Faso (ISO 3166 Trigram) |
| PJ | Petajoule |
| CPA | Certified Public Accountant |