| Acronym | Meaning |
| HMD | Heard And McDonald Islands (ISO 3166 Trigram) |
| GOSH | Great Ormond Street Hospital |
| N3F | National Fantasy Fan Federation |
| NSA | U.S. National Security Agency - Naval Support Activity - No Strings Attached |
| RHLI | Royal Hamilton Light Infantry (Canadian Militia Regiment) |
| NAWC | U.S. Naval Air Warfare Center |
| NEWS | Navy Electronic Warfare Simulator - North |
| OSCE | Organisation For Security And Cooperation In Europe |
| IT | Italian Language (ISO 639-1 Code) |
| WRT OR W/R/T | With Respect To Or With Regard To |