| Acronym | Meaning |
| ALAP | As Low As Possible |
| DECU | Developmental & Educational Communications Unit |
| POP | Photochemical Oxidation And Products |
| BSU | Beam Steering Unit |
| NETCDF | Network Common Data Form |
| PACT | Professional Association Of Computing And Technology |
| MPDATA | Multidimensional Positive Definite Advection Algorithm |
| MTC | Main Trunk Circuit |
| PID | Prototype International Directory |
| NASA | National Aeronautics And Space Administration |