| Acronym | Meaning |
| EMZDO | Exchange Modified Zero Differential Overlap |
| PIPPE | Particle-induced Prompt Particle Emission |
| SLAR | Side Looking Airborne Radar |
| CTAC | Counterdrug Technology Assessment Center |
| RMAPS | Receptor Model Applied To Patterns In Space |
| SDI | Selective Dissemination Of Information |
| EDR | Electrodialysis Reversal |
| PWBA-C-EX | Coulomb Corrected Plane Wave Born Approxn. (with) Exchange |
| TDSE | Time-dependent Schroedinger Equation |
| USGS | United States Geological Survey |