Northrop Grumman Corp. engages in the development and provision of security products and solutions. It operates through the following segments: Aerospace Systems, Electronic Systems, Information Systems, and Technical Services. The Aerospace Systems segment develops and manufactures manned and unmanned aircrafts, spacecrafts, laser systems, and microelectronics. The Electronic Systems segment includes defense electronics, airborne fire control radars, awareness systems, early warning systems, electronic warfare, air defense radar, marine power, and propulsion, navigation and communication systems. The Information Systems segment offers products and services for command and control, cyber security threats, malware detection, battle management, combat support systems, military missions, signals and geospatial intelligence, surveillance systems, civilian information technology solutions, public safety, and health services. The Technical Services segment provides engineering services, space and missile defense, nuclear security, training, and simulation. The company was founded by John K. Northrop, Thomas V. Jones, and Kent Kresa in 1939 and is headquartered in Falls Church, VA.