| Acronym | Meaning |
 | AA | Assistant Administrator |
| OD | Outside Diameter |
| LFM | Limited-area Fine Mesh |
| MERT | Medical Emergency Response Team |
| IWRS | Improved Weather Reconnaissance System |
| AERE | Association Of Environmental & Resources Economists |
| LVDT | Linear Variable Differential Transformer |
| U.S./JC | United States/Japan Cooperation |
| ICSU | International Council Of Science |
| NSI | NASA Science Internet |
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