| Acronym | Meaning |
 | ATMOS | Atmospheric Trace Molecules Observed By Spectroscopy |
| IDI | Instrumentation Development And Intercomparisons |
| SOHO | Solar And Heliosphysical Observatory |
| NTTF | NASA Test And Training Facility |
| APT | Automatic Picture Transmission |
| EUCLID | European Cooperation For The Long Term In Defense |
| CAM | Computer-aided Manufacturing |
| EPIC | Environmental Photographic Interpretation Center |
| VTPR | Vertical Temperature Profile Radiometer |
| OT | Optical Techniques Group |
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