| Acronym | Meaning |
| FPA | Federal Pesticide Act |
| GGEM | Gravity Gradiometer Explore Mission |
| R/T | Receiver/Transmitter |
| ADM | Action Description Memorandum |
| SLATEC | Sandia-Los Alamos Air Force Weapons Laboratory Technical |
| LSM | Land Surface Model |
| MP | Melting Point |
| CDP | Community Data Portal |
| AWU | Associated Western Universities |
| IAG | International Association Of Geodesy |