| Acronym | Meaning |
| VAP | Voluntary Assistance Program |
| AEN | Administrative Exception Note |
| REU | Research Experiences For Undergraduates |
| EXEC | Executable Program |
| ESDIM | Earth System Data And Information Management |
| EUROTRAC | European Experiment For Transporting And Transforming Environmentally Relevant Trace Construction In The Troposphere |
| DAI | Data Assimilation Initiative |
| ADVISAR | All Digital Video Imaging System For Atmospheric Research |
| AVC | Advanced Vector Computer |
| HPA | High Power Amplifier |