| Acronym | Meaning |
 | PGS | Product |
| BIT | Built-in Test |
| WOTAN | Wind Observations Through Ambient Noise |
| ER | Electrical Resistivity |
| ANS | Advanced Neutron Source |
| ACEC | American Consulting Engineers Council |
| MSI | Maximum Strategy |
| NAPP | National Aerial Photography Program |
| SAC | Science Advisory Committee |
| HARS | High-Altitude Route Structure Workstation |
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