| Acronym | Meaning |
 | NPC | National Processing Centers |
| DF | Direction Finding |
| SMA | Segnalamento Marittimo Ed Aereo |
| UAC | United Aircraft Corporation |
| ATC | Air Traffic Control |
| ACM | Asbestos-containing Material |
| OR | Operational Research |
| AAM | Air-to-air Missile |
| AOML | Atlantic Ocean Meteorological Laboratory |
| AEGIS | Atmosphere Ecosystem Gas Interchange Study |
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