| Acronym | Meaning |
| SSP | Submarine Transport (retired US Navy Hull Classification) |
| S | Siemens - South - Sulfur |
| GC | East Germany (NATO Country Code; Obsolete 1990) -General Counsel -Gigacoulomb |
| CCRP | Command And Control Research Program |
| LCA | Saint Lucia (ISO 3166 Trigram) |
| FSF | Free Software Foundation |
| CMMC | Corps Materiel Management Centre |
| G15 | Group Of 15 (subset Of G77 |
| NSG | National System For Geospatial-Intelligence |
| TMA | Terminal Manoeuvring Area (restricted Flying Zone) |