ASELSAN operates in the fields of the design, development, production, system integration, and after-sales services of Military Communications Systems, Radar Systems, Electronic Warfare Systems, Electro-Optic Systems, Navigation and Avionic Systems, Weapons Systems, Command Control Communication Computer Intelligence Reconnaissance and Surveillance Systems, Naval Systems, Unmanned Systems, and Traffic and Toll Collection Systems.ASELSAN operates under five divisions:Communications and Information Technologies,Defense Systems TechnologiesMicroelectronics, Guidance & Electro-Optics Division. Radar, Electronic Warfare and Intelligence SystemsTransportation, Security, Energy and Automation Systems