Northrop Grumman Corporation is a premier American aerospace and defense technology company that provides advanced systems, products, and solutions to the U.S. military and international customers. The company operates through four main business segments: Aeronautics Systems (approx. 29% of 2024 revenue), which develops manned and unmanned aircraft systems including the B-21 Raider and Global Hawk; Space Systems (approx. 29%), responsible for space exploration, missile defense, and launch vehicles; Mission Systems (approx. 28%), focusing on advanced radar, sensors, and cyber solutions; and Defense Systems (approx. 21%), which provides tactical weapons, missile defense solutions, and sustainment services. With the vast majority of its revenue derived from the U.S. government (around 87%), Northrop Grumman holds a highly entrenched competitive position in the defense industrial base, participating in critical national security programs and next-generation technological developments.