Spirit AeroSystems Holdings, Inc. engages in the design and manufacture of aero structures for commercial and defense aircraft. It operates through the following segments: Fuselage Systems, Propulsion Systems, Wing Systems, and All Other. The Fuselage Systems segment develops, produces, and markets forward, mid, and rear fuselage sections and systems. The Propulsion Systems segment offers struts or pylons, nacelles, and related engine components. The Wing Systems segment includes the development, production, and marketing of wings, wing components, and other miscellaneous structural parts to primarily aircraft original equipment manufacturer, related spares, and maintenance, repair, and overhaul services. The company was founded in 2005 and is headquartered in Wichita, KS.