Encyclopedia Astronautica
ACES



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ACES Suit
Credit: NASA
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S1035 Suit
Credit: Dave Clark
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S1035X Suit
Credit: Dave Clark
American space suit, operational 1995. The Shuttle Advanced Crew Escape Suit (ACES) replaced the Launch/Entry Suit (LES) from 1995 on. The ACES fulfilled the same functions as the LES.

It was designed to protect shuttle crew in the event of loss of cabin pressure at altitudes up to 30 km, but unlike the LES it was a full-pressure suit. It also served to insulate the crew from cold air or water temperatures after a bail out from the shuttle. During re-entry, the same anti-G protection system used in LES, consisting of pressure bladders in the legs and lower abdomen, fought pooling of blood in the lower body after prolonged exposure to microgravity. The suit also protected the crew from any contamination in the cabin atmosphere. ACES also provided a liquid cooling undergarment.

The S1035 ACES incorporated further refinements and was a true full pressure type garment developed, again, using proven and qualified technology from the most recent USAF Advanced Lightweight Pressure Suit (David Clark model S1034). The suit included integrated life support subsystems with breathable bladders. The S1035 ACES began initial service use on NASA mission STS-64, 9 September 1994.

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Associated Countries
See also
  • Space Suits To explore and work in space, human beings must take their environment with them because there is no atmospheric pressure and no oxygen to sustain life. Inside the spacecraft, the atmosphere can be controlled so that special clothing is not needed. But in order to work outside the spacecraft, humans need the protection of a spacesuit. More...

Associated Manufacturers and Agencies
Bibliography
  • The Space Suit Page, Web Address when accessed: here.

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