| Acronym | Meaning |
 | PAIR | Particulate Airborne Inlet Research |
| NEPA | National Environmental Policy Act |
| CAAC | Civil Aviation Administration Of China |
| BE | Best Estimate |
| CCSP | U.S. Climate Change Science Program |
| CASI | Canadian Aerospace Institute |
| SD | Standard Deviation |
| OC | Operational Capability |
| OSO | Office Of Space Operations |
| AIST | Agency Of Industrial Science & Technology |
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