| Acronym | Meaning |
| R&D | Research & Development |
| FOS | Family Of Services |
| PPTV | Parts Per Trillion (by Volume) |
| TECOM | Test And Evaluation Command |
| NET | Noise-equivalent Temperature |
| NEPH | Nephelometer |
| IWGGCDM | International Working Group On Global Change And Data Management |
| OCE | Division Of Oceanic Sciences |
| GEO 2000 | National Science Foundation's Geosciences Beyond 2000 |
| ARC | Ames Research Center |