Boeing Company is engaged in the manufacturing of commercial jetliners, defense, space and security systems. Its business scope includes several parts: commercial aviation, defense, aerospace and security, global services and Boeing Capital. In the field of commercial aviation, it develops, produces and markets commercial jet aircraft, and provides fleet support services mainly for the global commercial aviation industry. Defense, aerospace and security refer to the research, development, production and modification of manned and unmanned military aircraft and weapon systems for global strikes, including fighter jets, rotary-wing combat aircraft and missile systems; global mobility, including refueling aircraft, rotary-wing aircraft and tiltrotor aircraft; and airborne surveillance and reconnaissance, including command and control, combat management and airborne anti-submarine aircraft. The global services sector provides services to commercial and defense customers. Boeing Capital strives to ensure that Boeing Company customers have the financing they need to purchase and deliver their Boeing Company products, and manages overall financing risk. The company was founded by William Edward Boeing on July 15, 1916 and is headquartered in Chicago, Illinois, USA.