| Acronym | Meaning |
| EOSAT | Earth Observation Satellite |
| IPO | Initial Public Offering |
| FRO | Faroe Islands (ISO 3166 Trigram) |
| CT | Canton And Enderbury Islands (ISO 3166 Digram; Merged Into KI In 1984) - Central African Republic (FIPS 10-4 Country Code) - Connecticut (postal Symbol) |
| DGPS | Differential GPS |
| USNS | United States Naval Ship |
| IMRL | Individual Material Readiness List |
| SCIFI | Science Fiction |
| IADS | Integrated Air Defence System |
| CHV | Chuvash Language (ISO 639-2 Code) |