| Acronym | Meaning |
| IR&D | Internal Research And Development |
| CAD/CAM | Computer-design/computer-aided Manufacturing |
| PPS-PODS | Precise Position System- Precise Orbit Determination System |
| UNIDATA | UNIDATA Program Center |
| BLS | Bureau Of Labor Statistics |
| NARE | North Atlantic Regional Experiment |
| RSCS | Remote Spooling Communications Subsystem |
| APEX | APLE Prototype Experiment |
| NIH | National Institute Of Health |
| CASAC | Clean Air Scientific Advisory Committee |