| Acronym | Meaning |
| TACAN | Tactical Air Navigation |
| CEA | Campaign Effectiveness Analysis |
| AE | Avestan Language (ISO 639-1 Code) |
| ASN | Associate Of Science In Nursing |
| MTBF | Mean Time Between Failures |
| SHSN | Snow Showers (METAR Code) |
| TSCA | Toxic Substances Control Act (tosca) |
| SABENA | Soci?t? Anonyme Belge D'exploitation De La Navigation A?rienne (French For Belgian Company For Exploiting Aerial Navigation |
| UL | Underwriters Laboratories |
| GUM | Guam (ISO 3166 Trigram) |