| Acronym | Meaning |
| VRR | Visual Radio Range |
| EMG | Electromagnetic Gravity Data |
| DASM | Design And Analysis Support Model |
| ISF | In-Situ Sensing Facility |
| ADCLS | Advanced Data Collection And Location System |
| NHRE | National Hail Research Experiment |
| SADCC | South African Development Coordination Conference |
| LORAN-C | Long Range (aid To) Navigation-C |
| DDE | Distributed Data Environment |
| ESSA | Environmental Science Services Administration |