| Acronym | Meaning |
 | VISTA | Volunteers In Service To America |
| AMTRAK | National Railroad Passenger Corporation |
| ORR | Office Of Refugee Resettlement |
| AMS | Agricultural Marketing Service |
| CID | U.S. Army Criminal Investigation Command |
| NLM | National Library Of Medicine |
| AMES | Ames Laboratory |
| NISTIR | National Institute Of Standards And Technology Interagency Report |
| IHS | Indian Health Service |
| EDGAR | Electronic Data Gathering |
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