| Acronym | Meaning |
 | ATV | Ariane Transfer Vehicle |
| PPO | Profiler Program Office |
| HRIR | High-resolution Infrared Radiometer |
| HBCUS | Historically Black Colleges And Universities |
| AMS | Appraisal Management System |
| AMESS | Autonomous Machine Environmental Surveillance System |
| ACF | Acid Concentrator Feed |
| ERT | Environmental Research And Technology |
| DDE | Distributed Data Environment |
| MDI | Michelson Doppler Imager |
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