Spirit AeroSystems Holdings, Inc. designs and manufactures commercial aerostructures worldwide. It operates through three segments: Fuselage Systems, Propulsion Systems, and Wing Systems. The Fuselage Systems segment develops, produces, and markets forward, mid, and rear fuselage sections and systems primarily to aircraft original equipment manufacturers (OEMs); and other structure components of the fuselage, such as floor beams. The Propulsion Systems segment offers nacelles, including thrust reversers; struts/pylons; and related engine structural components primarily to aircraft or engine OEMs; and related spares, as well as maintenance, repair, and overhaul services. The Wing Systems provides wings and wing components, such as flight control surfaces; and other miscellaneous structural parts primarily to aircraft OEMs. The company was formerly known as Mid-Western Aircraft Systems Holdings, Inc. Spirit AeroSystems Holdings, Inc. was founded in 1927 and is headquartered in Wichita, Kansas.