| Acronym | Meaning |
 | NTTF | NASA Test And Training Facility |
| AVS EXPRESS | Upgraded Version Of The Application Visualization System |
| FTE | Full-time Equivalent |
| SIRIS | Stratospheric Infrared Interferometer Spectrometer |
| OT | Optical Techniques Group |
| FIRE | First ISLSCP Regional Experiment |
| MLM | Time-varying Horizontal Model Of The Lavoice Type |
| BPSG | Budget Planning And Systems Group |
| ETE | Estimated Time En Route |
| EOB | Executive Office Building |
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