| Acronym | Meaning |
 | TUTT | Tropical Upper-tropospheric Trough |
| EDMS | Electra Data Management System |
| GLRS | Geodynamics (or Geoscience) Laser Ranging System |
| ALAP | As Low As Practical |
| NNT | Nearest Neighbor Tool |
| IOC | Intergovernmental Oceanographic Commission |
| IRC | International Radiation Commission |
| AAS | Acid Addition System |
| AIRMET | AIRmen METeorological Information |
| ESJWG | Earth Science Joint Working Group |
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