| Acronym | Meaning |
| NREL | National Resource Ecology Laboratory |
| CAM | Cost Account Manager |
| LLR | Lunar Laser Ranging |
| C2FBR2 | Halon 2402 |
| IMEP | International Meteorological Educational Program |
| SICIMS | Selected Iron Chemical Ionization Mass Spectrometry (or Spectrometer |
| ATS | Advanced Technology Satellite |
| MMD | Mass Median Diameter |
| LIDAR | Light Detection And Ranging Instrument |
| ATA | Air Transport Association |