 He built a training plan that would subsequently become the model for the Egoz Unit.During the Israeli withdrawal from southern Lebanon in 2000, Roi was leading a final mission in the Bint Jbeil area, leading a unit of Egoz cadets on a stakeout on the request of Hagai Mordechai so the trainees could experience "a taste of Lebanon", and were left behind by the premature IDF withdrawal, leaving them trapped in Lebanon.The unit was ultimately extracted by helicopter.