| Acronym | Meaning |
| POC | Proof Of Concept |
| APDF | Accelerator Performance Demonstration Facility |
| ARC | Antarctic Research Center |
| CAR | Central African Republic |
| CCM4 | Community Climate Model 4 |
| STIWG | Satellite Telemtry Interagency Working Group |
| SPARC | Stratospheric Processes And Their Role In Climate |
| AAP | Asbestos Action Program |
| RW | Rain Showers |
| SMA | Segnalamento Marittimo Ed Aereo |