| Acronym | Meaning |
 | AVUM | Aviation Unit Maintenanc |
| AF | Attofarad |
| AS | American Samoa (postal Symbol; ISO 3166 Digram) - Australia (FIPS 10-4 Country Code) |
| ESP | Electronic Stability Program - Extra-sensory Perception -Spain (ISO 3166 Trigram) |
| GL | Gigalitre -Graphics Language -Greenland (ISO 3166 Digram; FIPS 10-4 Territory Code) -Grenade Launcher |
| PCL | Passive Coherent Location |
| BER | Bit Error Rate |
| BND | Brunei Dollar (ISO 4217 Currency Code) |
| GBP | United Kingdom Pound Sterling (ISO 4217 Currency Code) |
| BOFH | Bastard Operator From Hell |
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