| Acronym | Meaning |
| EODC | Earth Observation Data Centre |
| W-Z RELATIONSHIP | W = Precipitation Content |
| EMO | Environmental Management Office |
| ORU | Orbital Replacement Unit |
| VLBI | Very Long Baseline Interferometry |
| TTO/NAS | Transient Tracers In The Ocean (TTO)/North Atlantic Study |
| ANM | Alternate Nuclear Materials |
| LCC | Life Cycle Cost |
| NAWAU | National Aviation Weather Advisory Unit |
| NAFTA | North American Free Trade Agreement |