| Acronym | Meaning |
| ISA | Individual Savings Account - Industry Standard Architecture - Instruction Set Architecture - International Seabed Authority |
| ANL | Argonne National Laboratory |
| NICAP | National Investigations Committee On Aerial Phenomena |
| RPL | Reverse Polish Lisp |
| AAFES | Army And Air Force Exchange Service |
| G5 | Generation Five PowerPC Microprocessor -Assistant Chief-of-Staff |
| EM | ElectroMagnetism/ElectroMagnetic |
| POE | Perl Object Environment -Port Of Embarkation |
| CLOS | Common Lisp Object System |
| EOD | Explosive Ordnance Disposal |