| Acronym | Meaning |
| OBP | Onboard Processor |
| CASC | Coalition For Academic Supercomputer Centers |
| MAB | Meteorological Applications Branch |
| DIA | Defense Intelligence Agency |
| DDC | Defense Documentation Center |
| MAPS | Millions Of Actions Per Second |
| ESD | Employment Security Department |
| HDF | Hierarchical Data Format |
| STSP | Solar Terrestrial Science Programme |
| FBI | Federal Bureau Of Investigation |