| Abbreviation | Definition |
|---|---|
| EE | Exploration Era |
| E-E | End-to-End |
| EEC | Extendible Exit Cone |
| EECOM | Electrical, Environmental, and COnsumables Manager |
| EECOM | Electrical, Environmental, COnsumables, and Mechanical systems |
| EED | Early Event Detection |
| EEE | Electrical and Electronic Equipment |
| EEE | Electronic, Electrical, Electromechanical |
| EEEU | End Effector Electronics Unit |
| EEG | ElectroEncephaloGram |
| EEH | EMU (Extra-vehicular Mobility Unit) Electrical Harness |
| EEIS | End-to-End Information System |
| EEL | Electrical Equipment List |
| EELV | Evolved Expendable Launch Vehicle |
| EEM | Earth Entry Module |
| EENT | Eye, Ear, Nose, and Throat |
| EEPROM | Electrically Erasable Programmable Read Only Memory |
| EES | Earth and Environmental Sciences Division |
| EES | Emergency Electrical System |
| EESS | Earth Exploration-Satellite Service |