Drone warfare is a form of aerial warfare using unmanned combat aerial vehicles (UCAV) or weaponized commercial unmanned aerial vehicles (UAV). The United States, United Kingdom, Israel, China, South Korea, Iran, Italy, France, India, Pakistan, Russia, Turkey, and Poland are known to have manufactured operational UCAVs as of 2019. As of 2022, the Ukrainian enterprise Ukroboronprom and NGO group Aerorozvidka have built strike-capable drones and used them in combat.