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 Lockheed Martin F-22 Raptor is a fifth-generation, single-seat, twin-engine, all-weather stealth tactical fighter aircraft developed for the United States Air Force (USAF).
Relevant evidence: No