Question: What short lived aircraft, produced for the United States Air Force, is based on a fighter plane armed with four 20 mm cannons?
Sentence (from "Beechcraft T-6 Texan II"): The Beechcraft T-6 Texan II is a single-engine turboprop aircraft built by the Raytheon Aircraft Company (which became Hawker Beechcraft and later Beechcraft Defense Company, and was bought by Textron Aviation in 2014).
Relevant evidence: No