| Acronym | Meaning |
| AOPR | Associated Offices Of Primary Responsibility |
| IIOE | International Indian Ocean Expedition |
| CAST | Council For Agricultural Science And Technology |
| PSID | Pounds Per Square Inch Differential |
| FOF | Field Observing Faciltilty |
| NEPH | Nephelometer |
| SPO | Sacramento Peak Observatory |
| NDVI | Normalized Difference Vegetation Index |
| MDM | Multiplexer/demultiplexer |
| HPCS | High-performance Computing Section |