| Acronym | Meaning |
| G24 | Group Of 24 (subset Of G77 |
| RAMARK | RAdar MARKer |
| FO | Faroe Islands (ISO 3166 Digram; FIPS 10-4 Territory Code) -Force Operations (military) - Forward Observer - Frame Optional (military Symbology) |
| ORNL | Oak Ridge National Laboratory |
| BANESTO | Banco Espa?ol De Cr?dito (Spanish |
| YGCO | Yamaneko Group Of Comet Observers |
| NSS | (U.S.) Naval Simulation System |
| ATC | Air Traffic Control - Air Training Corps - U.S. Air Transport Command (1942-1948) |
| FFG | Guided Missile Frigate (hull Classification Symbol) |
| ARRC | ACE Rapid Reaction Corps |