| Acronym | Meaning |
 | FMCSA | Federal Motor Carrier Safety Administration |
| NIPC | National Infrastructure Protection Center |
| OSM | Office Of Surface Mining; Office Of Spectrum Management |
| VISTA | Volunteers In Service To America |
| EROD | Education Resource Organizations Directory |
| OSF | Office Of Space Flight |
| FSS | Federal Supply Service |
| OIG | Office Of The Inspector General (USDA) |
| USCIRF | United States Commission On International Religious Freedom |
| NCS | National Communications System |
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