| Acronym | Meaning |
| SWCP | South West Cooperative Program |
| CALLS | California Academia Libraries List Of Serials |
| DIA | Direct-interaction Approximation |
| AED | Atomic Emission Detector |
| BWI | Baltimore-Washington International Airport |
| EISCAT | European Incoherent Scatter Radar System |
| GZ | Ground Zero |
| EM | Evaluation Model |
| SPEC | Scientific Programs Evaluation Committee |
| OCTS | Ocean Color And Temperature Scanner |