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Litton Suit

Based on a Litton "constant-volume" concept of the so-called "hard suit" of early 1955, the Mark I Extravehicular and Lunar Surface Suit was tested during the 1958-1959 period for more than 600 hours at simulated altitudes exceeding 100 miles. The unique construction of this suit permitted almost a full range of body motions by the person wearing it. (U.S. Air Force photo)

Based on a Litton "constant-volume" concept of the so-called "hard suit" of early 1955, the Mark I Extravehicular and Lunar Surface Suit was tested during the 1958-1959 period for more than 600 hours at simulated altitudes exceeding 100 miles. The unique construction of this suit permitted almost a full range of body motions by the person wearing it. (U.S. Air Force photo)

Note: This item is currently in storage.

This USAF Mark I Extravehicular and Lunar Surface Suit, designed and built by Litton Industries, predated both the launch of Sputnik I by the Soviet Union and the creation of the National Aeronautics and Space Administration by the United States. Based on a Litton "constant-volume" concept of the so-called "hard suit" of early 1955, the Mark I was tested during the 1958-1959 period for more than 600 hours at simulated altitudes exceeding 100 miles. The unique construction of this suit permitted almost a full range of body motions by the person wearing it. The great success of the Mark I led to the subsequent development of a more refined and satisfactory RX-series "Moon Suits" for NASA.

Donated by Litton Systems Inc.

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Mask Policy:
In accordance with the updated guidance released by the Center for Disease Control and Prevention (CDC), the Department of Defense (DoD) and Wright-Patterson Air Force Base, the National Museum of the U.S. Air Force will require all visitors to wear face masks indoors effective July 30, 2021 until further notice.

Visitors ages three and up will be required to wear masks while indoors at the museum. This policy applies to all visitors, staff and volunteers regardless of vaccination status. Visitors may wear their own masks or a free paper mask will be provided. Cloth masks will also be available for purchase in the Museum Store.
Additional information available here.

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