| Acronym | Meaning |
![](file.png) | EIS | End Item Specification |
![](file.png) | EIS | Environmental Impact Statement |
![](file.png) | EIS | Extended Instruction Set |
![](file.png) | EIT | Entry Interface Time |
![](file.png) | EIU | Engine Interface Unit |
![](file.png) | EIU | Engine Interface Unit |
![](file.png) | EIVT | Electrical And Instrumentation Verification Test |
![](file.png) | EIVT | Electrical Interface Verification Test |
![](file.png) | EIVT | Electronic Installation Verification Test |
![](file.png) | EJN | Ejection |
![](file.png) | EKG | Electrocardiogram (Record) |
![](file.png) | EKG | Electrocardiograph (Instrument) |
![](file.png) | EL | Elastic Limit |
![](file.png) | EL | Electroluminescent |
![](file.png) | EL | Electromagnetic Interference |
![](file.png) | EL | Electronic Interface |
![](file.png) | EL | Elevate |
![](file.png) | EL | Elevation Angle |
![](file.png) | EL | End Item |
![](file.png) | EL | Engineering Instruction |
![](file.png) | EL | Entry Interface |
![](file.png) | EL | Environmental Impact |
![](file.png) | EL | MECH Electromechanical |
![](file.png) | ELB | Elbow |
![](file.png) | ELDISC | Electrical Disconnect |
![](file.png) | ELDV | Electrically Operated Depressurization Valve |
![](file.png) | ELEC | Electric |
![](file.png) | ELEC | Electronic |
![](file.png) | ELECT | Electrical |
![](file.png) | ELECTR | Electronics |
![](file.png) | ELEV | Elevon |
![](file.png) | ELF | Extremely Low Frequency (1 Hz To 3 KHz) |
![](file.png) | ELINT | Electromagnetic Intelligence |
![](file.png) | ELMCH | Electromechanical |
![](file.png) | ELMS | Elastic Loop Mobility System |
![](file.png) | ELMS | Elements |
![](file.png) | ELS | Earth Landing System (Subsystem) |
![](file.png) | ELS | Eastern Launch Site |
![](file.png) | ELS | Elevon Load System |
![](file.png) | ELT | Emergency Locator Transmitter |
![](file.png) | ELV | Earth Launch Vehicle |
![](file.png) | ELV | Electrically Operated Valve |
![](file.png) | ELV | Expendable Launch Vehicle |
![](file.png) | ELVN | Eleven |
![](file.png) | EM | Emergency |
![](file.png) | EM | Engineering Model |
![](file.png) | EM | Exception Monitor |
![](file.png) | EMA | Electromagnetic Analysis |
![](file.png) | EMC | Electromagnetic Compatibility |
![](file.png) | EMCC | Emergency Mission Control Center |