| Acronym | Meaning |
| VHA | Veterans Health Administration |
| USA | United States Army |
| RSA | Rehabilitation Services Administration |
| USCIRF | United States Commission On International Religious Freedom |
| USCS | United States Customs Service |
| WH | Wage And Hour Division |
| PAHO | Pan American Health Organization |
| RRB | Railroad Retirement Board |
| NLM | National Library Of Medicine |
| FIPS | Federal Information Processing Standard |