| Acronym | Meaning |
 | IPOC | International Partner Operations Center |
| IAMAS | International Association Of Meteorology And Atmospheric Sciences |
| AL | Authorized Leave With Pay |
| ZTD | Zenith Tropospheric Signal Delay |
| OGA | Office Of Government Affairs |
| DVM | Dynamic Vegetation Model |
| IPC | Institute Of Paper Chemistry |
| IAU | International Astronomical Union |
| ACHEM | Atmospheric Chemistry Model |
| NGT | NASA Ground Terminal |
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