| Acronym | Meaning |
| CCTT | Close Combat Tactical Trainer |
| AARP | (i/s) American Association Of Retired Persons (now Officially Known Only By The Initials) |
| NAN | Not A Number (computing) |
| CATS | Computer Active Technology Suspension |
| SIFF | Successor IFF |
| CERGA | Centre De Recherches En G?odynamique Et Astrom?trie (French |
| ABL | American Basketball League |
| SISO | Simulation Interoperability Standards Organization - Society Of Independent Show Organizers |
| FIFE | F?d?ration Internationale F?line (French International Feline Federation) |
| LCE | Leaving Certificate Examination - Load Carrying Equipment - London Commodity Exchange |