Northrop Grumman Corporation provides products, services, and integrated solutions in the aerospace, electronics, information and services, and shipbuilding sectors. For applications ranging from undersea to outer space and into cyberspace, Northrop core competencies are aligned with the current and future needs of customers and address emerging global security challenges in key areas, such as Unmanned Systems, Cybersecurity, C4ISR, and Logistics that are critical to the defense of the nation and its allies. The company's Aerospace Systems segment offers manned and unmanned aircraft, spacecraft, high-energy laser systems, microelectronics, and other systems and subsystems in the areas of intelligence, surveillance, and reconnaissance; communications; battle management; strike operations; electronic warfare; missile defense; earth observation; space science; and space exploration. Its Electronic Systems segment provides various electronic and maritime systems for national security and non-defense applications, such as airborne surveillance, aircraft fire control, precision targeting, electronic warfare, automatic test equipment, inertial navigation, integrated avionics, space sensing, intelligence processing, air and missile defense, communications, mail processing, biochemical detection, ship bridge control, and shipboard components. The companys Information Systems segment focuses on the fields of command, control, communications, computers, and intelligence; air and missile defense; airborne reconnaissance; intelligence processing; decision support systems; cybersecurity; information technology; and systems engineering and integration. It serves Department of Defense, national intelligence, federal civilian, state and local agencies, and commercial customers. Northrop?s Shipbuilding segment designs, builds, and refuels nuclear-powered aircraft carriers and nuclear-powered submarines for the U.S. Navy. It also acts as a service systems provider for the design, engineering, construction, and life cycle support of surface ships for the U.S. Navy, the U.S. Coast Guard, and international navies. The companys Technical Services segment provides logistics, infrastructure, and sustainment support, as well as training and simulation services.