Space station astronauts 'spacewalk' in airlock

(AP) -- Two international space station crewmen squeezed into a small airlock Wednesday and moved a docking mechanism to accommodate a research module expected to arrive later this year.

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<p><a href="http://www.physorg.com/news163835369.html">Space station astronauts 'spacewalk' in airlock</a></p> <p>(AP) -- Two international space station crewmen squeezed into a small airlock Wednesday and moved a docking mechanism to accommodate a research module expected to arrive later this year.</p>