| Acronym | Meaning |
 | AP | Anomalous Propagation |
| GDR | Geophysical Data Record |
| BGS | Biogeosciences Initiative |
| AIRMET | AIRmen METeorological Information |
| EOF | Empirical Orthogonal Function |
| MIESR | Matrix Isolation/Electron Spin Resonance |
| ATM | Apollo Telescope Mount |
| RITS | Radiatively Important Trace Substances |
| EGSE | Electronic Ground Support Equipment |
| MBPS | Megabits |
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