Lockheed Martin is an aerospace and defense company engaged in the research, design, development, manufacture, and integration of technology systems, products, and services. It operates in four business segments: Aeronautics, Missiles and Fire Control (MFC), Rotary and Mission Systems (RMS), and Space. The Aeronautics segment focuses on military aircraft, including combat and air mobility aircraft, unmanned air vehicles, and related technologies. The MFC segment provides air and missile defense systems, tactical missiles and precision strike weapon systems, fire control systems, engineering support, and integration services. The RMS segment designs, manufactures, and supports military and commercial helicopters, sea- and land-based missile defense systems, radar systems, laser systems, cyber solutions, etc. The Space segment comprises research and design, development, engineering, and production of satellites, space transportation systems, strategic advanced strike, and defensive systems.