| Acronym | Meaning |
| AO | Administrative Order |
| IUPAB | International Union Of Pure And Applied Biophysics |
| ACO | Administrative Consent Order |
| ASTHO | Association Of State & Territorial Health Officials |
| AIST | Agency Of Industrial Science & Technology |
| LTCS | Lower Thermosphere Coupling Study |
| M&S | Materials And Services |
| FMFIA | Federal Managers Financial Integrity Act |
| DML | RF Dimensional Metrology Laboratory |
| GVHRR | Geosynchonous Very High Resolution Radiometer |