Northrop Grumman completed a massive multi-billion-dollar acquisition of Orbital ATK, incorporating the prominent aerospace and defense contractor directly into its corporate structure as a new business sector named Northrop Grumman Innovation Systems. This strategic acquisition allowed the defense giant to significantly expand its capabilities in tactical missile systems, space launch vehicles, satellite components, and defense electronics. Following the integration, the acquired operations have continued to supply critical hardware and propulsion systems for commercial, scientific, and military space programs globally.