| Acronym | Meaning |
| FPS | Frames Per Second (motion Pictures |
| ACT | Adaptive Control Of Thought (cognitive Model) ? Australian Capital Territory (postal Symbol) ? American College Test(ing Program) |
| HFAC | Human Factors (aytchfak) |
| UCLA | University Of California |
| SH | Saint Helena (ISO 3166 Digram) -SONATRACH (Algerian Petroleum Company) |
| JCDS | Joint Chiefs Of The Defence Staff |
| TCA | Transformational Communications Architecture -Turks And Caicos (ISO 3166 Trigram) |
| CST | Central Standard Time (UTC-6 Hours) |
| AFATDS | Advanced Field Artillery Tactical Data System |
| AOR | Area Of Responsibility |