Ultra-long-range air-to-air missiles were originally put forward by the disappearing Soviet national air defense forces to attack NATO air command platforms. The design code is KS- 172, and the internal code of the design bureau is KLPD-TT. The specific project started in the late 1980s.

1993, the Russian state arms export company unveiled a full-scale model of an ultra-long-range air-to-air missile at the Chile air show in a low-key manner, but did not give any standards and explanations. Combined with the disclosure, it may be the first "hidden appearance" of KS- 172. At the recent Dubai Air Show, the KS- 172 missile model was finally hung on the Su -27 improved Su -35 super flanker fighter, and foreign investment was actively sought. Russian weapons sales staff said that the missile has a range of 300 kilometers, which is just in line with the upper limit of the range of exported missiles in the international missile management treaty. Although it does not belong to the category of weapons of mass destruction, in view of its advanced technology and control over the West,