| Acronym | Meaning |
 | NPOESS | National Polar-orbiting Operational Environmental Satellite System |
| SIC | Standard Industrial Classification |
| FHA | Federal Housing Administration |
| FRA | Federal Railroad Administration |
| OCR | Office For Civil Rights (Dept. Of Education) |
| AFSC | Armed Forces Staff College ˜˜(replaced By JFSC) |
| OHASIS | Office Of Health And Safety Information System |
| NSTC | National Science And Technology Center |
| AOA | Administration On Aging |
| OPPTS | Office Of Prevention |
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