| Acronym | Meaning |
 | CG | Client Group - Computer Graphics -Democratic Republic Of The Congo (FIPS 10-4 Country Code) - Republic Of The Congo (ISO 3166 Digram) |
| LARC | Livermore Advanced Research Computer (cf. LLNL) |
| J9 | Joint Public Affairs Directorate (Civilian-Military Cooperation) |
| N3F | National Fantasy Fan Federation |
| GC | East Germany (NATO Country Code; Obsolete 1990) -General Counsel -Gigacoulomb |
| MUS | Mauritius (ISO 3166 Trigram) |
| ARNET | Acquisition Reform Network |
| TCP | Traffic Control Point - Transmission Control Protocol - Trichlorophenol |
| SISO | Simulation Interoperability Standards Organization - Society Of Independent Show Organizers |
| TJS | Tajik Somoni (ISO 4217 Currency Code) |
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