Lockheed Martin Corporation operates as a global security and aerospace company which engages in the research, design, development, manufacture, integration and maintenance of technology systems, products and services. It operates through the following business segments: Aeronautics, Missiles and Fire Control (MFC), Rotary and Mission Systems (RMS) and Space. The Aeronautics segment researches, designs, develops, manufactures, integrates, sustains, supports and upgrades advanced military aircraft, including combat and air mobility aircraft, unmanned air vehicles and related technologies. The MFC segment provides air and missile defence systems, tactical missiles, 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 RMS segment designs, manufactures, services and supports 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 defence systems, radar systems, the Littoral Combat Ship, simulation and training services, and unmanned systems and technologies. The Space segment comprises the research, development, design, engineering and production of satellites, strategic and defensive missile systems and space transportation systems. The company's origins can be traced back to the 16th of August, 1912 and its headquarters are in Bethesda, MD.