| Acronym | Meaning |
| MSI | Micro-Star International -Multispectral Imagery |
| SPOD | Sea Port Of Debarkation |
| TOA | Table Of Authorities - Total Obligation Authority (accounting) |
| SAT | Formerly Scholastic Aptitude Test And Scholastic Assessment Test; Now Known Solely By The Initials - Small Arms Trainer |
| YGO | Yu-Gi-Oh! |
| CHE | Switzerland (ISO 3166 Trigram; From Latin Confoederatio Helvetica) |
| ECSC | European Coal And Steel Community (distant Ancestor Of The EU) |
| APHA | American Public Health Association |
| GNAS | Grand National Archery Society |
| MCDL | Model Composition Definition Language |