abstract:TsNIIMash (Russian: ЦНИИмаш) is an initialism for the Central Research Institute of Machine Building (Центральный научно-исследовательский институт машиностроения), which is the institute of the Russian aeronautics and space agency and specializes in the development of long range ballistic missiles, air defense missiles, and propulsion units for defense sectors. It was formed in 1946.