| Acronym | Meaning |
 | AOA | Administration On Aging |
| ORACBA | Office Of Risk Assessment And Cost-Benefit Analysis |
| FIA | Federal Insurance Administration |
| PHPS | Public Health Prevention Service |
| DOE | Department Of Energy |
| NPS | National Park Service |
| SERC | Smithsonian Environmental Research Center |
| USMC | United States Marine Corps |
| FAS | Foreign Agricultural Service |
| SS | Secret Service |
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