Currently, crews must exit from the Russian segment of the outpost wearing Russian spacesuits.

CNN: Air lock installed on space station

The original Mercury spacesuits were a modified version of pressure suits that pilots wore in high-altitude jet aircraft.

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This entails adding a launch abort capability and life support system, as well as designing spacesuits and the crew cabin layout.

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She explains the various gizmos, from diving bells to spacesuits, that have enabled humans to live and work in conditions that would otherwise prove fatal.

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The next four-month mission in the northern climes of Canada will see a team of scientists donning mock spacesuits and undertaking field and scientific experiments in complete isolation.

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The air lock installation is the primary objective of the Atlantis mission, with the two-room chamber allowing space station crews to venture from the station in NASA spacesuits without the assistance of visiting shuttles.

CNN: Air lock installed on space station

Spacesuits have evolved over the years.

NPR: NASA's Future Spacesuits Are Made for Walking