The Azerbaijan defense ministry has released videos it claims to show drone attacks on the Armenian military in the Nagorno-Karabakh region earlier this month. The videos of the drone strikes have been posted on the Azerbaijan's defense ministry website and social media every day. Since September, Azerbaijan has deployed several different types of missile-firing drones in the conflict with Armenia. Missile-firing drones are now produced in many countries and have been used in battles including a U.S. drone strike that killed Iran's top general Qassem Soleimani at Baghdad airport last January. Following the September 11 terrorist attacks, unmanned combat weapons of various types have been increasingly used by the U.S. military in its war on terror.