| Acronym | Meaning |
| CCK | Cholecystokinin -Cocos (Keeling) Islands (ISO 3166 Trigram) |
| LBN | Lebanon (ISO 3166 Trigram) |
| FIU | Florida International University |
| FLB | Forward Logistics Base |
| LISA | Laser Interferometer Space Antenna |
| COG | Centre Of Gravity - Current Operations Group (military) -Republic Of The Congo (ISO 3166 Trigram) |
| EPGS | EOS Polar Ground Sites |
| HMO | Health Management Organization |
| ECW | Eastern Championship Wrestling - Extreme Championship Wrestling |
| CPON | Certified Pediatric Oncology Nurse |