| Acronym | Meaning |
| PCL | Passive Coherent Location |
| JH | Japan Highway Public Corporation |
| IEW | Intelligence And Electronic Warfare |
| LRU | Line-Replaceable Unit |
| SCUFN | Sub-Committee On Undersea Feature Names (of GEBCO) |
| USPS | United States Postal Service |
| TTFN | Ta Ta For Now |
| PVR | Personal Video Recorder |
| HEER | High-Explosive Extended Range (ammunition) |
| AAN | American Academy Of Nursing |