Weapon-bearers commit violations of international humanitarian law, whether in response to orders or on their own initiative. Not to say that they are the only ones, but when engaged in hostility, they can decide to use their force legally or in violation of the law. With Denmark's engagements in the wars in the Balkans, Iraq and Afghanistan, training in international humanitarian law has gone from being a theoretical exercise to highly relevant, as the likelihood of a soldier becoming engaged in hostilities has greatly increased. e article discusses the factors determining whether soldiers will respect international humanitarian law when engaged in hostilities. It is based on an interview with Captain Nicholas Brace Olsen, chief of operations of team four of the Danish ISAF contingent in Afghanistan.