"United States" Use of Drones in the War on Terror from the Perspective of Jus ad Bellum and Jus in Bello

The widespread use of drones by the United States to fight al-Qaeda and Taliban terrorist groups in countries such as Afghanistan, Pakistan and Yemen after the September 11, 2001 terrorist attacks quickly challenged the legitimacy of targeted killings by drones in the light of international law. The military and the "CIA" believe that the use of drones is in line with the war on terrorism and in the framework of international humanitarian law. So, this article based on a descriptive-analytical approach answers the question, to "what extent is the United States' targeted killings by drones in line with the Jus ad Bellum Jus in Bello?" This article examines important issues such as the identity and status of those targeted and the legality of their killings in terms Jus ad Bellum Jus in Bello and concludes that using drones in the form of Right of self-defense is unacceptable and US actions has violated certain principles of international humanitarian law such as the principle of distinction, proportionality, military necessity, precautions in attack and humanity. Targeted killing in cases where there are no serious and imminent threats, is also in violation of international human rights law.