30 May 1960 . Resolution of the Council of Ministers No. 578-236 on the start of work on the field divisional jet system "Grad" . The main executor of the system was appointed NII-147 (since March 1966). NII-147 often changed its names; the latter - the State Research and Production Enterprise "Splav" - was assigned to it in 1992. ); SKB-203 made the launcher; NII-6 - solid fuel charges; GSKB-47 - equipment of combat units. The system was adopted in 1963. , and the delivery of serial samples was started in 1964. Military exercises and local conflicts have confirmed the excellent qualities of the Grad system . The first combat baptism of this complex received in March 1969 .. the Island of Daman during the conflict between the USSR and the PRC. After the massive use of Grad installations that fired high-explosive shells, the island was completely turned around, and Chinese forces were destroyed. In fact, the volleys of "Grad" and ended this conflict. In the 70-90s. The Grad complex has been used in almost all local conflicts in the world and has been successfully used in a variety of climatic conditions - in Asia, Africa and Latin America.