| Acronym | Meaning |
| GIGO | Garbage In Garbage Out (computing) |
| SPCO | Single-Pole Change Over |
| NEIC | U.S. National Earthquake Information Center - National Economic Intelligence Committee (Nigeria) - National Energy Information Center (U.S. DOE) - National Enforcement Investigations Center (U.S. EPA) |
| AQ | American Samoa (FIPS 10-4 Territory Code) - Antarctica (ISO 3166 Digram) |
| RAMARK | RAdar MARKer |
| FID | Foreign Internal Defence |
| FAAN | Fellow Of The American Academy Of Nursing |
| EOD | Explosive Ordnance Disposal |
| VT | Vatican City-State (FIPS 10-4 Country Code) - Vermont (postal Symbol) -Video Tape |
| PUB | Publication |