Northrop Grumman Corporation operates as an aerospace and defense technology company in the United States, Asia/Pacific, Europe, and internationally. The company's Aeronautics Systems segment designs, develops, manufactures, integrates, and sustains aircraft systems. This segment also offers unmanned autonomous aircraft systems, including high-altitude long-endurance strategic ISR systems and vertical take-off and landing tactical ISR systems; and strategic long-range strike aircraft, tactical fighter and air dominance aircraft, and airborne battle management and command and control systems. Its Defense Systems segment designs, develops, integrates, and produces tactical weapons and missile defense solutions, and provides sustainment, modernization, and training services for manned and unmanned aircraft and electronics systems. It also offers integrated, all-domain command, and control battle management systems, precision strike weapons; high speed air-breathing and hypersonic systems; high-performance gun systems, ammunition, precision munitions and advanced fuzes; aircraft and mission systems logistics support, sustainment, operations and modernization; and warfighter training services. The company's Mission Systems segment offers command, control, communications and computers, intelligence, surveillance, and reconnaissance systems; radar, electro-optical/infrared and acoustic sensors; electronic warfare systems; advanced communications and network systems; cyber solutions; intelligence processing systems; navigation; and maritime power, propulsion, and payload launch systems. Its Space Systems segment offers satellites, spacecraft systems, subsystems, sensors, and payloads; ground systems; missile defense systems and interceptors; launch vehicles and related propulsion systems; and strategic missiles. Northrop Grumman Corporation was founded in 1939 and is based in Falls Church, Virginia.