As the uses of force in Somalia, Kosovo and Iraq show, Western armies are very concerned about protecting the lives of their soldiers, and to that end are willing to risk many civilian lives. They also find acceptable the notion that civilian lives can be forfeited in order to attain important military goals. Israel’s Gaza operation clearly shows that Israeli commanders successfully followed the requirements of the administrative model of the principle of proportionality. The IDF required commanders to take humanitarian law into account in the planning stages of the operation. Legal advisors were involved in the planning of many...