Missile, Submarine-launched, Polaris A-3


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

This is a mockup of the Polaris A-3, the third and last version of the U.S. Navy's first generation submarine-launched ballistic missile. It was deployed between 1964 and 1981. Sixteen were carried on each Polaris submarine. The A-3 had a range of 2,500 nautical miles and carried three W58 thermonuclear warheads, each with a yield of 200 kilotons. Lockheed Missiles and Space made this mockup and the Navy's Bureau of Weapons donated it to NASM in 1962.

Collection Item Long Description:

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum

Credit Line

Transferred from the United States Navy, Bureau of Weapons.




Other: 4ft 2in. x 32ft (127 x 975.4cm)

Country of Origin

United States of America


CRAFT-Missiles & Rockets

Inventory Number


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