Special Hobby Kit #48115. 1/48 scale. Nicely detailed reissued multi-media model kit of the experimental turbo-powered speedster for flight research on aerodynamics by NACA. Six testbeds of the D-558 were produced, two obtained new speed records, including Mach 1.01. The model kit uses injection molded plastic, resin parts and photo-etch details. Markings include all six testbeds, include flown by Gene Maye and Howard Lilly.