| Acronym | Meaning |
| OI | Optimal Interpolation |
| ATDRSS | Advanced TDRSS |
| PHIGS | Portable Hierarchical Image And Graphic Standard |
| MRN | Meteorological Rocket Network |
| EM | Engineering Model |
| DFDR | Digital Flight Data Recorder |
| AFAP | Artillery-fired Atomic Projectile |
| TROPAL | Tropical Alert Group |
| SMG | Scientific And Management Group |
| FASB | Financial Accounting Standards Board |