| Acronym | Meaning |
| ALERT | Automated Local Evaluation In Real Time |
| GWP | Global Warming Potential |
| ND | Near-dedicated |
| NAIC | National Astronomy And Ionosphere Center |
| AORD | Astronaut Operations Requirements Document |
| NDVI | Normalized Difference Vegetation Index |
| AER | AWIPS Forecast Preparation System |
| MAC | Multiple Access Computer |
| RMS | Root-mean-square |
| GSA | General Services Administration |