| Acronym | Meaning |
| ATSR | Argonne Thermal Source Reactor |
| VELORT | Very Long Range Tracking |
| IRMS | Isotope Ratio Mass Spectrometer |
| JEM | Joint Environmental Monitoring |
| IUGG | International Union Of Geodesy And Geophysics |
| KE | Kinetic Energy |
| NCC | National Climate Center |
| LTE | Local Thermodynamic Equilibrium |
| REREX | Remote Read-out Experiment |
| SAS | Statistical Analysis System |