This 4 inch diameter embroidered patch was the emblem of Space Shuttle Mission STS-4, the final orbital test of the space shuttle.

The Final Space Transportation System research and development flight. In addition to classified Department of Defense payload, cargo included first Get Away Specials, (G-001) which contained nine experiments from Utah State University; first commercial experiment involving Continuous Flow Electrophoresis System (CFES); Monodisperse Latex Reactor (MLR); Induced Environment Contamination Monitor (IECM), which was deployed, and two Shuttle Student Involvement Program (SSIP) experiments.