The aerospace and defense industry aims at improving CNS systems for creating a safe and efficient operating environment. Leading aircraft manufacturers are opting for advanced CNS systems from defense manufacturers both in commercial and in defense sectors. North America is estimated to be the largest market for INS in 2015 and is expected to constitute the largest part in 2025. Huge military spending and increase in demand for new commercial aircraft are a few drivers for the CNS market in this region. Asia-Pacific is expected to witness the highest CAGR among all regions.