| Acronym | Meaning |
| NESDIS | National Environmental Satellite Data And Information Service |
| AMS | Atomic Mass Spectrometry |
| ERA | Energy Reorganization Act |
| AL | Authorized Leave With Pay |
| NOAA | National Oceanic And Atmospheric Administration |
| LAGEOS | Laser Geodynamics Satellite |
| ACA | Applied Combinatorial Analysis |
| IERS | International Earth Rotation Service |
| WDC | World Data Center(s) |
| ISSS | International Society Of Soil Science |