Yuzhnoye State Design Office

Yuzhnoye State Design Office (Yuzhnoye SDO, also known as Konstruktorske Biuro Pivdenne im. M. K. Ianhelia, Конструкторське Бюро "Південне" ім. М. К. Янгеля) is a research institute engaged in space technology development. It specializes in space launch systems, spacecraft, rocket engines, gas-jet propulsion systems, solid rocket motors, etc. The company also provides launch vehicle flight dynamics analysis, strength tests, software development, spinning, friction stir welding, and other services.