| Acronym | Meaning |
| DMA | Defense Mapping Agency |
| EMAP | Environmental Monitoring And Assessment Program |
| PASSCAL | Program For Array Seismic Studies Of The Continental Lithosphere |
| GEF | Global Environmental Facility |
| ANM | Alternate Nuclear Materials |
| IRCAT | Infrared Radiometer To Detect (CAT) Horizontal Temperature Gradients |
| ARF | Aviation Route Forecast |
| ENRI | Electronic Navigation Research Institute |
| SESS | Space Environment Support System |
| ODE | Ordinary Differential Equation |