| Acronym | Meaning |
 | DSS | Defense Security Service |
| DPC | Domestic Policy Council |
| NIGMS | National Institute Of General Medical Sciences |
| HUD | Department Of Housing And Urban Development |
| SDWIS | Safe Drinking Water Information System |
| OMAR | Office Of Medical Applications Of Research |
| FLETC | Federal Law Enforcement Training Center |
| NLE | National Library Of Education |
| OTT | Office Of Transportation Technologies |
| OST | Office Of Science And Technology; Office Of The Secretary Of Transportation |
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