ISRO Inertial Systems Unit (IISU) at Thiruvananthapuram has been the center of excellence in the area of inertial systems for launch vehicles and spacecrafts. IISU carries out research and development in the area of inertial sensors & systems and allied satellite elements. It has facilities for precision fabrication, assembly, clean room and integration and testing. This unit has the total capability to design, engineer, develop, qualify and deliver inertial systems for the entire Indian Space programme.