| Acronym | Meaning |
| COSER | COoperative SERvice |
| ISO | In Search Of -International Organization For Standardization (from The Greek ?†?? |
| DJI | Djibouti (ISO 3166 Trigram) |
| SSR | Radar Picket Submarine (retired US Navy Hull Classification) -Solid State Recorder |
| FSK | Federal'naya Sluzhba Kontrrazvedki (???????????? ??????? ?????????????? |
| BCER | British Columbia Electric Railway |
| PAROS | Prevention Of An Arms Race In Outer Space (treaty) |
| PPP | Point-to-Point Protocol - Purchasing Power Parity |
| TOW | Tube-launched |
| BL | Bolivia (FIPS 10-4 Country Code) -British Leyland |