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>> THE SPACE STATION

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AIRLOCK TEST ARTICLE

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IS A HUMAN-RATED,

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HIGH-FIDELITY

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1G AIRLOCK FACILITY THAT

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PROVIDES FLIGHTLIKE SIMULATION

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OF AIRLOCK AND EVA OPERATIONS

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IN PRESSURES RANGING

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FROM VACUUM TO 1 ATMOSPHERE.

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THE SSATA PROVIDES A FACILITY

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FOR AIRLOCK AND EVA

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HARDWARE TESTING,

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VERIFICATION AND CERTIFICATION,

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AND FLIGHT CREW TRAINING.

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LIKE THE ACTUAL ISS AIRLOCK,

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THE FACILITY CONTAINS

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TWO CHAMBERS, THE EQUIPMENT LOCK

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AND THE CREW LOCK,

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WHICH ARE CONNECTED

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BY A COMMON BULKHEAD.

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ADJACENT TO THE CREW LOCK

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IS A VACUUM PLENUM

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SIMULATING SPACE VACUUM OUTSIDE

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OF THE EXTERNAL HATCH.

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THE SSATA CHAMBER IS OUTFITTED

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WITH QUALIFICATION VERSIONS

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OF THE SERVICE AND PERFORMANCE

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CHECKOUT HARDWARE,

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HARDWARE THAT INTERFACES

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THE EMU TO THE AIRLOCK POWER

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AND COOLING SYSTEMS.

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THIS EQUIPMENT ADDS

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THE FUNCTIONALITY AND REALISM

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NEEDED TO PROVIDE

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EVA CREW MEMBERS

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WITH A MEANINGFUL

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TRAINING EXPERIENCE.

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THE CREW LOCK PROVIDES

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AN EMU WEIGHT RELIEF SYSTEM

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TO ACCOMMODATE 1G OPERATIONS.