Orbital ATK is a global aerospace and defense enterprise that combines two great companies – Orbital Sciences Corporation and ATK Aerospace and Defense – who have shared over 25 years of successful collaboration in developing and producing innovative and affordable technologies. As a global leader in aerospace and defense technologies, Orbital ATK designs, builds and delivers space, defense and aviation-related systems to customers around the world both as a prime contractor and as a merchant supplier. Their main products include launch vehicles and related propulsion systems; satellites and associated components and services; composite aerospace structures; tactical missiles, subsystems and defense electronics; and precision weapons, armament systems and ammunition.