| Acronym | Meaning |
| NAVMACS | Naval Modular Automatic Communication Subsystem |
| FU | Smoke (METAR Code) |
| PG | Papua New Guinea (ISO 3166 Digram) -Parental Guidance (rating) |
| CIB | Complete In Box (Internet Auction/trading Listings) |
| ATAPI | Advanced Technology Attachment Packet Interface |
| NACC | North Atlantic Cooperation Council |
| MOM | Management Object Model (HLA) - Message Oriented Middleware |
| EDS | Electronic Data Systems - Electronic Differential System |
| SWIR | Short Wave InfraRed (ss-why-are Or Swhirr) |
| TS | Terasecond |