The Boeing Company, along with its various divisions, is a global aerospace powerhouse that conceptualizes, engineers, manufactures, markets, and provides extensive support for a diverse portfolio of products. These include commercial airliners, military aircraft, sophisticated defense systems (such as missile defense), satellites, and human spaceflight and launch vehicles. The company's operations are structured across four primary segments: Commercial Airplanes; Defense, Space & Security; Global Services; and Boeing Capital. 1.