| Acronym | Meaning |
 | UMF | User Master File |
| SST | Supersonic Transport |
| ASRF | Advanced Size Reduction Facility |
| NIRNS | National Institute For Research In Nuclear Science |
| DTC | Developmental Testbed Center |
| FBI | Federal Bureau Of Investigation |
| ISIS | International Satellites For Ionospheric Studies |
| WRL | Willow Run Laboratories |
| EL NI-O | The Little Boy |
| ANS | Autonomic Nervous System |
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