| Acronym | Meaning |
| OASDI | Old-Age And Survivors Insurance And Disability Insurance |
| SERC | Smithsonian Environmental Research Center |
| VHA | Veterans Health Administration |
| GWA | Governmentwide Accounting Project Group |
| FBCI | Faith-Based And Community Initiatives |
| JAG | Judge Advocate General |
| GPS | Global Positioning System |
| U.N. | United Nations |
| ORWH | Office Of Research On Women's Health |
| OTA | Office Of Technology Assessment |