Question: Lockheed Martin F-35 Lightning II development started in 1992 with the origins of the Joint Strike Fighter program and is set to culminate in full production in 2018, unlike the F-22 Raptor, is intended to be available for export, the Lockheed Martin F-22 Raptor is a fifth-generation, single-seat, twin-engine, all-weather stealth tactical fighter aircraft, developed for which organization?
Sentence (from "Lockheed Martin F-22 Raptor"): The result of the USAF's Advanced Tactical Fighter program, the aircraft was designed primarily as an air superiority fighter, but also has ground attack, electronic warfare, and signal intelligence capabilities.
Relevant evidence: No