| Acronym | Meaning |
| SUI | Sonic User Interface |
| DU | Depleted Uranium -Dust (METAR Code) |
| PK | Picokelvin |
| ASD(LA) | (U.S.) Assistant Secretary Of Defense (Legislative Affairs) |
| MSH | Medium Support Helicopter - Mount Saint Helens |
| NASED | National Association Of State Election Directors [1][2] |
| COMSEC | Communications Security (military) |
| MHWN | Mean High Water Neaps (nautical Charts) |
| FLUBOS | Fat |
| CAP | Combat Air Patrol - Civil Air Patrol - Common [Operating/Operational] Air Picture - Crisis Action Procedures - Common Agricultural Policy |