| Acronym | Meaning |
| AA | Access Authorization |
| IAS | Indicated Air Speed |
| ADM | Action Description Memorandum |
| CBLCBNM | Central Bureau Of Nuclear Measurements |
| IEEE | Institute Of Electrical And Electronic Engineers |
| ALS | Advanced Launch System |
| OGCM | Ocean General Circulation Model |
| ISRO | Indian Space Research Organization |
| GPCP | Global Precipitation Chemistry Project |
| SLAP | Shuttle Laser Altimeter Prototype |