| Acronym | Meaning |
| NAS | National Academy Of Sciences |
| TBO | Tropospheric Biennial Oscillation |
| BSR | Budget Surplus Report |
| MSCP | Mass Store Control Processor |
| G- IV | Gulfstream IV |
| SADCC | South African Development Coordination Conference |
| LOX | Liquid Oxygen |
| MB | Millibar |
| AMS | Accelerator Mass Spectrometer |
| DLD | Digital Loran Dropwindsonde |