| Acronym | Meaning |
| FSIS | Food Safety And Inspection Service |
| WAPA | Western Area Power Administration |
| NR | National Register Of Historic Places |
| TSO | TRICARE Support Office |
| DODSSP | Single Stock Point For Specifications And Standards |
| DHS | Department Of Homeland Security |
| USMS | United States Marshals Service |
| NODC | National Oceanographic Data Center |
| FLETC | Federal Law Enforcement Training Center |
| NASM | National Air And Space Museum |