| Acronym | Meaning |
| OAT | Office For The Advancement Of Telehealth |
| UNESCO | United Nations Educational |
| FRA | Federal Railroad Administration |
| NCCDPHP | National Center For Chronic Disease Prevention And Health Promotion |
| USNCB | United States National Central Bureau Of INTERPOL |
| ESDIM | Environmental Services Data And Information Management |
| USMC | United States Marine Corps |
| TSP | Thrift Savings Plan |
| NREVSS | National Respiratory And Enteric Virus Surveillance System |
| FIA | Federal Insurance Administration |