| Acronym | Meaning |
| ALERT | Automated Local Evaluation In Real Time |
| DME | Distance-measuring Equipment |
| GPCP | Global Precipitation Chemistry Project |
| DISN | Defense Information Systems Network |
| ACFM | Actual Cubic Feet Per Minute |
| IPMMI | International Photolysis Measurements And Modeling Intercomparison |
| SYDNEY 2000 | Olympics In Sydney |
| ICEX | Ice Experiment |
| MSFC | Marshall Space Flight Center |
| IWGMFS | International Working Group On Magnetic Field Satellites |