| Acronym | Meaning |
 | EMF | Electromotive Force |
| SMA | Segnalamento Marittimo Ed Aereo |
| FRS | First Repository States |
| SCR | Selective Chopper Radiometer |
| VHF | Very High Frequency |
| NSSP | National Severe Storms Project |
| PD | Positive Definite |
| AMO | Advanced Munitions Office |
| DSAA | Defense Security Assistance Agency |
| CCF | Central Computing Facility |
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