| Acronym | Meaning |
| SSH | Saffir-Simpson Hurricane Scale |
| FFC | Free For Chat |
| RTLS | Return To Launch Site - Period In NASA Space Shuttle Assent Profile Where |
| SRM | Specified Risk Material |
| ATC | Air Traffic Control - Air Training Corps - U.S. Air Transport Command (1942-1948) |
| EDCS | Environmental Data Coding Specification |
| NCW | Network Centric Warfare |
| SIP | Session Initiation Protocol - State Implementation Plan - System Improvement Program - Systematic Investment Plan |
| GNRH | Gonadotropin-Releasing Hormone |
| SV | Swedish Language (ISO 639-1 Code) |