Rank eom stands for ******* End Of Message ******* End Of Month ***** Equations Of Motion **** Electro-Optic Modulator **** End of Mission **** End Of Memory **** Earl of March (secondary school) **** End of Module **** Eastern Owners Meeting **** Every Other Month *** Echelons of Maintenance (USMC logistics) *** End of Matter *** Extra-Ocular Muscle (medical) *** Earth Observation Mission *** Extra-Ocular Movement (medical) *** Every Other Monday * Enlisted Open Mess * Empty of Message (message boards, chat rooms) * Execution Ordering Method Note: We have 61 more definitions in our Acronym Attic