| Acronym | Meaning |
| IHO | International Hydrographic Organization |
| J7 | Joint Operational Plans & Interoperability Directorate |
| XML | EXtensible Markup Language |
| AN | Attonewton |
| UNICEF | United Nations Children's Fund (originally The United Nations International Children's Emergency Fund) |
| UPF | Universitat Pompeu Fabra (Catalan |
| SNOBOL | StriNg Oriented SymBOlic Language |
| GPIB | General-Purpose Instrumentation/Interface Bus |
| WPB | War Production Board During World War II |
| CH | Chieftain Tank -China (FIPS 10-4 Country Code) - Switzerland (ISO 3166 Digram; From Latin Confoederatio Helvetica) |