"As we continue executing our transition planning, we remain focused on Spirit's foundational principles of safety, compliance and quality." Spirit will continue to operate as an independent company until the transaction closes. On the web: On Twitter: @SpiritAero About Spirit AeroSystems Inc. Spirit AeroSystems is one of the world's largest manufacturers of aerostructures for commercial airplanes, defense platforms, and business/regional jets. With expertise in aluminum and advanced composite manufacturing solutions, the company's core products include fuselages, integrated wings and wing components, pylons, and nacelles. We are leveraging decades of design and manufacturing expertise to be the most innovative and reliable supplier of military aerostructures, and specialty high-temperature materials, enabling warfighters to execute complex, critical missions. Spirit also serves the aftermarket for commercial and business/regional jets.