| Acronym | Meaning |
| NAVTACNET | Navy Tactical Network |
| RX | Receive |
| MYOB | Mind Your Own Business |
| UMIST | University Of Manchester Institute Of Science And Technology |
| NTR | Network Time Reference |
| SUN | Soviet Union (ISO 3166 Trigram; Obsolete 1992) |
| ISTS | Intel Science Talent Search |
| FSA | Fire Support Area - UK Food Standards Agency - Functional Solution Analysis |
| STOL | Short Take-Off And Landing |
| TBM | Tactical Ballistic Missile - Theatre Ballistic Missile |