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WASHINGTON, D.C. -- There's big news at the International Space Station today.

Mission Control engineers at NASA are streaming a six-and-a-half hour spacewalk live online.

American Flight Engineer Chris Cassidy and Italian Flight Engineer Luca Parmitano are on a repair and remodel mission at the space station. The unique mission marks the first time an Italian has been involved in a spacewalk.

Both astronauts came out of the space station airlocks just after 6:25 a.m. Tuesday. They were scheduled to depart at 6:10 a.m.

The duo is currently working on a new module that will serve as a lab, docking port, and airlock for the station.NASAspaceflight.com is reporting the module new module will be called the Russian Multipurpose Laboratory (MLM) and is scheduled for complete installation by the end of the year.


Streaming video by Ustream Both astronauts are wearing helmet cams with ghosted numbers in the picture. Cassidy is no. 20. Parmitano is no. 17.

You can hear NASA's MissionControl guiding the astronauts through their repair duties, as well as get first-person looks of the repair via the helmet cams.

For a complete overview of the mission, visit NASAspaceflight.com.

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