| Acronym | Meaning |
| MTTF | Mean Time To Failure |
| REREX | Remote Read-out Experiment |
| REGCM | Regional Climate Model |
| RF | Radio Frequency |
| NSF | National Science Foundation |
| UIPPA | See IUPAP |
| NAFAX | Analog Facsimile Map |
| NOMP | Navy Ocean Modeling And Prediction Program |
| VEMAP | Vegetation And Ecosystem Modeling And Analysis Project |
| NSSDC | National Space Science Data Center |