Question: What company provided the ejection seat system for the fighter aircraft that had wings built by Boeing for the United States Air Force's Advanced Tactical Fighter program?
Sentence (from "Lockheed Martin F-22 Raptor"): The prime contractor, Lockheed Martin, built most of the F-22's airframe and weapons systems and conducted final assembly, while Boeing provided the wings, aft fuselage, avionics integration, and training systems.
Relevant evidence: Yes