| Acronym | Meaning |
| FP | Fixed Price Contract |
| ARL | Army Research Laboratory |
| NSFNET | National Science Foundation Network |
| NCGIA | National Center For Geographic Information And Analysis |
| TRACON | Terminal Radar Control |
| NHAP | National High Altitude Photography |
| 4DDD | Four-Dimensional Data Assimilation |
| HP | Horse Power |
| OPTRAN | Optical Test Transmittance Model |
| APR | Aberdeen Pulsed Reactor Facility |