| Acronym | Meaning |
| SIAM | Society For Industrial And Applied Mathematics |
| MARC | Middle Atmosphere Responses To Changes |
| ARMAR | Airborne Rain Mapping Radar |
| CDIAC | Carbon Dioxide Information Analysis Center |
| LAMMR | Large Antenna Multichannel Microwave Radiometer |
| IGFA | Intergovernmental Funding Agency |
| FICS | Facility Information And Control System |
| PHIGS | Programmer's Hierarchical Interactive Graphics System |
| EED | Exposure Evaluation Division |
| GST | GPS Science And Technology Program |