| Acronym | Meaning |
| ADEPT | Alexandria Digital Earth Prototype |
| USWRP | United States Weather Research Program |
| AKP | Atmospheric Kinetics Project |
| APEX | APLE Prototype Experiment |
| ENEA | Comitato Nazionale Per La Ricerca E Lo Sviluppo Dell' Energia Nucleare E Delle Energie Alternative |
| RISC | Reduced Instruction Set Computer |
| I2L | Integrated Injection Logic |
| APS | Atomic Power Station |
| SAWRS | Supplementary Aviation Weather Reporting System |
| AEN | Administrative Exception Note |