| Acronym | Meaning |
 | NIST | National Institute Of Standards And Technology |
| FEWS | Follow-on Early Warning System |
| ACO | Atomic Coordinating Office |
| IBM RT | The IBM RISC Technology Computer System |
| APEN | Air Pollution Emissions Notice |
| AIF | Atomic Industrial Health Forum |
| IOS | Interplanetary Scintillation |
| EOB | Executive Office Building |
| DIB | Directory Information Base |
| GPS | Grants Program Section |
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