This article explores the rights of belligerent warships and military aircraft to engage in hostile operations within a neutral coastal State’s exclusive economic zone (EEZ) during armed conflict. It argues that peacetime rules of due regard for coastal State sovereign rights and jurisdiction do not constrain these operations. The United Nations Convention on the Law of the Sea (UNCLOS) established the peacetime obligation of due regard in the EEZ. By 1984, the EEZ had become customary inte...