This pressure helmet was made for and worn by astronaut Michael Collins, Command Module Pilot of the Apollo 11 mission to the moon in July 1966.
The Apollo pressure helmet was a transparent bubble designed to attach to the spacesuit neck ring. It was constructed of a polycarbonate shell with a red anodized aluminum neck ring, a feed port, a vent pad and duct assembly attached to the rear and a valsalva device attached to the inner ring.
Transferred to NASM from NASA - Manned Spacecraft Center in 1971.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.