| Acronym | Meaning |
 | STC | SHAPE Technical Center |
| VLBI | Very Long Baseline Interferometry |
| INMARSAT | International Maritime Satellite |
| SIRTF | Space InfraRed Telescope Facility |
| SST | Spectroscopic Survey Telescope / SuperSonic Transport |
| PCG | Protein Crystal Growth Experiment |
| GIF | Graphics Interchange Format |
| MODIS | Moderate Resolution Imaging Spectrometer |
| FHST | Fixed Head Star Trackers |
| VMS | Vertical Motion Simulator |
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