| Acronym | Meaning |
 | NRPC | National Railroad Passenger Corporation (AMTRAK) |
| CWC | Chemical Weapons Convention |
| UNICOR | Federal Prison Industries |
| NRCS | Natural Resources Conservation Service |
| NHTSA | National Highway Traffic Safety Administration |
| NDU | National Defense University |
| ICAO | International Civil Aviation Organization |
| ACDA | United States Arms Control And Disarmament Agency |
| GILS | Government Information Locator Service |
| FCA | Farm Credit Administration |
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