Deltans are so profoundly sexual that they must swear an oath of celibacy upon entering Starfleet to avoid harming non-Deltans they may serve with .
Deltans is a race introduced in Star Trek : The Motion Picture .
Deltans , a race introduced in Star Trek : The Motion Picture , are so profoundly sexual that they must swear an oath of celibacy upon entering Starfleet to avoid harming non-Deltans they may serve with .