| Acronym | Meaning |
| EE | Estonia (ISO 3166 Digram) -Electrical Engineering - Electrical Engineer |
| MDW | Chicago Midway International Airport In Chicago |
| IGS | International Ground Station |
| MMO | Massively Multiplayer Online (computer Game) |
| POGO | Project On Government Oversight |
| IELTS | International English Language Testing System |
| CAI | Computer Assisted Instruction |
| COEA | Cost Operational Effectiveness Analysis (military) |
| DGD&D | UK Directorate General Of Development And Doctrine |
| WCS | Weapon Control Status - Wildlife Conservation Society |