Lockheed Martin Corp. engages in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services. It operates through the following segments: Aeronautics, Missiles & Fire Control, Rotary & Mission Systems, and Space Systems. The Aeronautics segment is engaged in the research, design, development, manufacture, integration, sustainment, support and upgrade of advanced military aircraft, including combat and air mobility aircraft, unmanned air vehicles and related technologies. The Missiles & Fire Control segment provides air and missile defense systems; tactical missiles and air-to-ground precision strike weapon systems; logistics; fire control systems; mission operations support, readiness, engineering support and integration services; manned and unmanned ground vehicles, and energy management solutions. The Rotary & Mission Systems segment provides design, manufacture, service and support for a variety of military and commercial helicopters; ship and submarine mission and combat systems; mission systems and sensors for rotary and fixed-wing aircraft; sea and land-based missile defense systems; radar systems; the Littoral Combat Ship (LCS); simulation and training services; and unmanned systems and technologies. The Space Systems segment engaged in the research and development, design, engineering and production of satellites, strategic and defensive missile systems and space transportation systems and it also provides network-enabled situational awareness and integrates complex global systems to help customers gather, analyze and securely distribute critical intelligence data. The company was founded in March 1995 and is headquartered in Bethesda, MD.