| Acronym | Meaning |
| AL/HPD | AL Health Protection Division |
| AOSO | Advance Orbiting Solar Observatory |
| DWTF | Decontamination And Waste Treatment Facility |
| IRD | Instrument Requirement Document |
| OPC | Optical Propagation Conference |
| GNSS | Ground Network Scheduling System |
| ARISTOTELES | Applications And Research Involving Space Technologies Observing The Earth's Field From Low Earth Orbiting Satellite |
| TRW | Thundershowers |
| GRAF | Gridded Representation Of Analyses And Forecasts |
| CAL | Continental Air Lines |