elbit systems develops, manufactures and integrates advanced, high-performance defense electronic and electro-optic systems for customers throughout the world. we focus on designing, developing, manufacturing and integrating command, control, communication, computer, intelligence, surveillance and reconnaissance (c4isr) network centric systems, including unmanned vehicles, for defense and homeland security applications. we also perform upgrade programs for airborne, land and naval defense platforms, often as a prime contractor. moreover, we develop and manufacture avionic and aerostructure products for the commercial aviation market. in addition, we provide a range of support services.