| Acronym | Meaning |
| IBO | Igbo Language (ISO 639-2 Code) |
| NAVNET | Navy Network |
| TCCCS | Tactical Command |
| FQ | Baker Island (FIPS 10-4 Territory Code) - French Southern And Antarctic Territories (ISO 3166 Digram; Obsolete 1979) |
| NAMRL | Naval Aerospace Medical Research Laboratory |
| NGA | National Geospatial-Intelligence Agency -Nigeria (ISO 3166 Trigram) |
| SE | Northern Sami Language (ISO 639-1 Code) |
| CM | Curium |
| PCI | U.S. Pacific Islands Trust Territory (ISO 3166 Trigram; Obsolete 1986) -Peripheral Component Interconnect (computer Bus) |
| BNSF | Burlington Northern Santa Fe |