SAMI THALES Electronic Systems (STES) is a joint venture between Saudi Arabian Military Industries (SAMI) and Thales that aims to enhance the in-country defense electronic capabilities by developing and producing world-class systems and products through the association of SAMI and the major European defense industry: THALES.SAMI THALES Electronic Systems is focusing on different defense electronic technologies: Air Defense Systems, Radars and Surveillance Systems, Electro-optics, Communication Systems, C4ISRAir, Weapons Fuze, and Sonars.