| Acronym | Meaning |
 | AFD | Axial Flux Difference |
| IERS | International Earth Rotation Service |
| SAM | Sun-angle Magnetometer |
| SAMS | Stratospheric And Mesospheric Sounder |
| FRD | Forecast Research Division |
| NASA | National Aeronautics And Space Administration |
| ISFF | Integrated Surface Flux Facilities |
| GSF | Gross Square Feet |
| PSI | Plan Shear Indicator |
| ANM | Alternate Nuclear Materials |
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