| Acronym | Meaning |
| FLC | Federal Laboratory Consortium |
| FR | Federal Register |
| FEMA | Federal Emergency Management Agency |
| NPOESS | National Polar-orbiting Operational Environmental Satellite System |
| NRCS | Natural Resources Conservation Service |
| ONR | Office Of Naval Research |
| IES | Institute Of Education Sciences |
| ACF | Administration For Children And Families |
| PHTN | Public Health Training Network |
| ADD | Administration On Developmental Disabilities |