This is an unflown D6.1.6.75 flying rocket model motor made by Aerospace Vehicles. It is made of paper and ceramic and contains non-explosive propellant. Such motors are used once and, after completely burning, the model returns to the Earth with the assistance of a parachute and can be used again.
The donor of this artifact is not known.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.