Answer: United States
Notes: Recently, the US President announced that Washington will send Patriot air defence systems to Ukraine to counter increasing Russian aggression. Patriot (MIM-104) stands for Phased Array Tracking Radar for Intercept on Target. It is an all-altitude, all-weather, surface-to-air missile defence system. Initially designed for anti-aircraft roles, newer versions can destroy ballistic missiles, cruise missiles, loitering munitions, and aircraft. It is developed by Raytheon Technologies Corporation, a United States aerospace and defence company. It is the most advanced air defence system used by the United States Army.
