| Acronym | Meaning |
 | ASE | Amplified Spontaneous Emission |
| NEPA | National Environmental Policy Act |
| API | Absolute Position Indication |
| ACA | Atmospheric Chemistry Of Aerosols |
| AS&E | American Science And Engineering |
| IMOS | Inadvertent Modification Of The Stratosphere |
| FPA | Federal Pesticide Act |
| AFP | Advanced Flexible Processor |
| ERS | Element Requirements Specification |
| HCN | Historical Climatology Network |
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