Lockheed Martin Corp. is a global security and aerospace company, which engages in the research, design, development, manufacture, integration, and sustainment 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 is involved in 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 RMS segment designs, manufactures, services, and supports various military and commercial helicopters, surface ships, sea and land-based missile defense systems, radar systems, sea and air-based mission and combat systems, command and control mission solutions, cyber solutions, and simulation and training solutions. The Space segment includes the production of satellites, space transportation systems, and strategic, advanced strike, and defensive systems. The company was founded in 1961 and is headquartered in Bethesda, MD.