| Acronym | Meaning |
| EH | Exahenry - Western Sahara (ISO 3166 Digram) |
| AMO | Atlantic Multidecadal Oscillation |
| BI | Burundi (ISO 3166 Digram) |
| NAAFI | Navy |
| NTC | National Training Center - Negative Temperature Coefficient (thermistor) |
| AMRDEC | U.S. Aviation & Missile Research |
| DNDI | Drugs For Neglected Diseases Initiative |
| HMO | Hiri Motu Language (ISO 639-2 Code) |
| MANPRINT | MANpower And PeRsonnel INTegration |
| 2G | Second |