| Acronym | Meaning |
 | ET | Ethiopia (ISO 3166 Digram; FIPS 10-4 Country Code) - Exatesla -Extra Terrestrial |
| SONAR | SOund Navigation And Ranging |
| FLTSAT | Fleet Satellite |
| IUPAC | International Union Of Pure And Applied Chemistry (pronounced Eye-yoo-pac) |
| TCAS | Traffic Collision Avoidance System |
| KAF | Kandahar Air Field |
| HIH | His (or Her) Imperial Highness |
| WEZ | Weapon Engagement Zone |
| HFAC | Human Factors (aytchfak) |
| ND | Neodymium |
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