Anti-submarine plane of long-range action Tu-142Ðœ3 was the biggest one not only in marine aviation of the Russia, but also in the world: scope of its wings – almost 50 meters, and the general capacity of four engines – 60 thousand horsepowers! It is intended for search and destruction of submarines with nuclear rockets on open spaces of world ocean. Occurrence of submarines with nuclear rockets has forced to develop means for their search and destruction. The most universal and mobile from them is the plane equipped by special complexes of tracking down and defeat. Development of the first Soviet antisubmarine a complex of distant action has begun in the USSR in the beginning of 60th years on the basis of plane-scout Tu-95RtS.