This full pressure suit has the designation G-4-C, and was worn by astronaut William Anders during training sessions during the Gemini era. It is in the EV or Extra Vehicular configuration, with additional insulating layers throughout the suit.
The Gemini suits were designed and built by the David Clark Company in Worcester, Massachusetts. This suit was transferred from NASA in 1973.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.