| Acronym | Meaning |
| DGPS | Differential Global Positioning System |
| FLOPS | Floating Point Operations Per Second |
| SAGE | Stratospheric Aerosol And Gas Experiment |
| M&O | Maintenance And Operations |
| IDR | Incremental Design Review |
| HS | High Speed |
| PIDC | Precision Instrument Development Center |
| GEM | Global Environmental Multiscale Model |
| FWQC | Federal Water Quality Criteria |
| UK AEA | United Kingdom Atmomic Energy Authority |