| Acronym | Meaning |
| RAE | UK Royal Aircraft Establishment (?1991) |
| FONSI | Finding Of No Significant Impact |
| IST | Information System Technology - UCF Institute For Simulation And Training |
| HBT | Heterojunction Bipolar Transistor |
| RM | Raeto-Romansh Language (ISO 639-1 Code) |
| ESV | Engineer Support Vehicle |
| AZE | Azerbaijani Language (ISO 639-2 Code) |
| XUL | XML User Interface Language |
| JN | Jan Mayen Island (FIPS 10-4 Territory Code) |
| NVESD | Night Vision And Electronic Sensors Directorate |