Radar soldiers are arms or arms that use radar to obtain air information, belonging to the air force and navy, and are an important part of national air defense forces. The main task is to continuously detect, track and identify air targets under various meteorological conditions, and provide air information for combat operations, flight control and civil air defense of various services and arms. Radar soldiers are generally composed of brigades, regiments, battalions and companies (stations), and a few countries have divisions. China People's Liberation Army established its first radar station in September 1949, and began to form a radar regiment in September 1952. With the increase of domestic radars, the radar forces have made great progress. 1957 set up an air force radar unit to undertake the nationwide air intelligence support task. There are also radar units, army and navy units.