 The reason for removing female soldiers from the front lines was due less to the performance of female soldiers, and more due to the behavior of the male infantrymen after witnessing a woman wounded.The IDF saw a complete loss of control over soldiers who apparently experienced an instinctual protective aggression that was uncontrollable, severely degrading the unit's combat effectiveness.However, in 2001, subsequent to the publication of Grossman's book, women did begin serving in IDF combat units on an experimental basis.