| Acronym | Meaning |
| WFC | Women's Forage Corps (WWII UK) |
| LVEF | Left Ventricular Ejection Fraction |
| LTC | Lieutenant-Colonel (U.S.) |
| EST | Estonian Language (ISO 639-2 Code) |
| COMSEC | Communications Security (military) |
| RON | Romanian New Leu (ISO 4217 Currency Code) |
| KS | Kashmiri Language (ISO 639-1 Code) - Kilosecond |
| SSG | Guided Missile Submarine (retired US Navy Hull Classification) |
| SASE | Self-Addressed Stamped Envelope |
| CTI | Co-operative Target Identification |