The RSA missile and its launch mount were developed from 1946 to 1958 by the company Oerlikon Contraves and Buehrle. Shortly after the end of World War II began the self-development of Air-defence in Zurich, Switzerland. The guided missile by means of a beacon used nitric acid and kerosene as fuel, nitrogen was used as a propellant. The gimbal pivoting combustor allowed thrust vector control at high supersonic speeds. The pitcher was trying to shoot in Walenstadt, S-chanf, the Oberalp Pass, used in the United States and France. The United States bought some of these missiles, in order to draw lessons for their own air defense missile development. Oerlikon-Buehrle created with this missile, the basis for the development of the missile system RSC / D, also named RSD 58. RSA and a missile lau