| Acronym | Meaning |
| FMFIA | Federal Managers Financial Integrity Act |
| MAC | Apple Macintosh Computer |
| IR&D | Internal Research And Development |
| ARF | Aviation Route Forecast |
| EPI | Environmental Policy Institute |
| CBB | Contract Budget Baseline |
| DAMUS | Data Management And User Services |
| POAM | Polar Ozone And Aerosol Measurement |
| TCZ | Tropical Cloud Zone |
| ODE | Ordinary Differential Equation |