| Acronym | Meaning |
 | LMAO | Laughing My Ass Off (Internet Short-hand) |
| INFOSEC | Information Security |
| C | Carbon - Coulomb - One Hundred (in Roman Numerals) |
| EEK | Estonian Kroon (ISO 4217 Currency Code) |
| ELL | Greek Language (ISO 639-2 Code) |
| MSO | Multiple System Operator |
| ROL | Romanian Leu (ISO 4217 Currency Code) |
| AEW | Airborne Early Warning - Airborne Electronic Warfare |
| AAS | Advanced Automation System - American Astronomical Society (double-A-S) |
| HRD | Human Resource Development |
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