| Acronym | Meaning |
| OFA | Office Of Family Assistance |
| ARB | Administrative Review Board |
| MSEL | Materials Science And Engineering Library |
| SERC | Smithsonian Environmental Research Center |
| PCBE | President's Council On Bioethics |
| NHIC | National Health Information Center |
| ROTC | Reserve Officer Training Corps |
| NNSA | National Nuclear Security Administration |
| RMA | Risk Management Agency |
| MAC | Market Access And Compliance |