| Acronym | Meaning |
| LRT | Low Rate Type |
| TB | Terabytes |
| BSD UNIX | Berkeley Software Distribution UNIX |
| EIA | Energy Information Administration |
| ALSI | Aluminum Silicon Alloy |
| RITS | Radiatively Important Trace Substances |
| AGI | American Geological Institute |
| WITI | Weather Information Technologie |
| AALC | Amphibious Assault Landing Craft |
| JSC | Johnson Space Center |