| Acronym | Meaning |
| NBCRS | NBC (Nuclear |
| RCHA | Royal Canadian Horse Artillery (regiment) |
| EDC | DAAC -EROS Data Center Distributed Active Archive Center |
| PLC | Public Limited Company (British) |
| RON | Romanian Language (ISO 639-2 Code) |
| DVLC | UK Driver And Vehicle Licencing Centre |
| SISO | Simulation Interoperability Standards Organization - Society Of Independent Show Organizers |
| KN | Kannada Language (ISO 639-1 Code) |
| USNR | United States Navy Reserve |
| FZDZ | Freezing Drizzle (METAR Code) |