The Air Zoo's SR-71B is On loan from the National Museum of the Air Force. When the SR-71 program ened in 1990, NASA borrowed two SR-71A models and the Air Zoo’s model SR-71B trainer to study future supersonic and hypersonic aircraft and engines.
Lockheed SR-71B
Blackbird
The Lockheed SR-71B was a trainer variant of the SR-71A Blackbird. The Lockheed SR-71 Blackbird is a long-range, high-altitude, Mach 3+ strategic reconnaissance aircraft developed and manufactured by Lockheed's Skunk Works division. The shape of the SR-71 was based on that of the Lockheed A-12, which was one of the first aircraft to be designed with a reduced radar cross-section in mind. The SR-71's existence was revealed to the public in July 1964. It entered service in the US Air Force in January 1966 and retired in 1989 largely for political reasons.