| Acronym | Meaning |
![](file.png) | EVAP | Evaporator |
![](file.png) | EVATA | Extravehicular Activity Translational Aid |
![](file.png) | EVC | Extravehicular Communications |
![](file.png) | EVCON | Events Control (Subsystem) |
![](file.png) | EVCS | Extravehicular Communications System |
![](file.png) | EVCU | Extravehicular Communications Umbilical |
![](file.png) | EVD | External Visual Display |
![](file.png) | EVF | Equipment Visibility File |
![](file.png) | EVLSS | Extravehicular Life Support System |
![](file.png) | EVM | Earth Viewing Module |
![](file.png) | EVMU | Extra Vehicular Mobility Unit |
![](file.png) | EVO | Engineering Verification Order |
![](file.png) | EVS | Equipment VisibilitY System |
![](file.png) | EVS | Extravehicular Suit |
![](file.png) | EVSC | Extravehicular Suit Communications |
![](file.png) | EVSS | Extravehicular Space Suit |
![](file.png) | EVSU | Extravehicular Space Unit |
![](file.png) | EVT | Engineering Verification Test |
![](file.png) | EVT | Extravehicular Transfer |
![](file.png) | EVVA | Extravehicular Visor Assembly |
![](file.png) | EWA | Estimated Warehouse Arrival |
![](file.png) | EWE | Emergency Window Escape |
![](file.png) | EWO | Engineering Work Order |
![](file.png) | EWR | Engineering Work Request |
![](file.png) | EX | Executive Management Office (KSC Directorate) |
![](file.png) | EXC | Experiment Computer |
![](file.png) | EXCH | Exchange |
![](file.png) | EXEC | Execute |
![](file.png) | EXH | Exhaust |
![](file.png) | EXO | Experiment Operator (in Spacelab) |
![](file.png) | EXP | Expand |
![](file.png) | EXP | Experiment |
![](file.png) | EXP | Exposure |
![](file.png) | EXPEN | Expendable |
![](file.png) | EXT | Experiment Terminal (Operator Console On Spacelab) |
![](file.png) | EXT | Extension |
![](file.png) | EXT | External |
![](file.png) | EXTD | Extend |
![](file.png) | EXTER | External |
![](file.png) | EXTGH | Extinguish |
![](file.png) | F | Fahrenheit |
![](file.png) | F | Failure |
![](file.png) | F | Farad (SI Unit Of Capacitance) |
![](file.png) | F | Female |
![](file.png) | F | Forward |
![](file.png) | F | Front |
![](file.png) | F | LCA Forward Load Control Assembly |
![](file.png) | F&E | Facility And Envii-onment |
![](file.png) | F/0 | Fuel/Oxidizer Ratio |
![](file.png) | F/A | Failure Analysis |