| Acronym | Meaning |
| HST | See Entry |
| NB | Norwegian Bokm?l Language (ISO 639-1 Code) |
| HMF | HydroxyMethyl Furfural |
| ARTCC | Air Route Traffic Control Center |
| KSC | Kennedy Space Center |
| CPF | Calibration Parameter File - Canadian Patrol Frigate |
| DND | Department Of National Defence (Canada) - Do Not Disturb |
| SLOC | Sea Lines Of Communication - Source Lines Of Code |
| ADCTS | Advanced Distributed Combat Training System |
| TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |