| Abbreviation | Definition |
|---|---|
| EOM | End Of Month |
| EOM | Engineering Operations Manual |
| EOM | Equations Of Motion |
| EOMF | End Of Minor Frame |
| EONS | Education Opportunities in NASA STEM |
| EOO | Equal Opportunity Office |
| EOP | Earth and Ocean Physics |
| EOP | Emergency Oxygen Pack |
| EOP | Experiment Of Opportunity |
| EOPAP | Earth and Ocean Physics Application Program |
| EOPO | Equal Opportunity Program Office |
| EOR | Earth Orbit Rendezvous |
| EOS | Earth Observation Satellite |
| EOS | Earth Orbit Shuttle |
| EOS | Emergency Oxygen System |
| EOS | Extended Operating System |
| EOSDIS | Earth Observing System Data and Information System |
| EOT | End Of Tape |
| EOW | Energy Over Weight |
| EP | Elbow Pitch |