(AP) -- Two of the space station's crew have stepped out on a spacewalk.
Russian astronauts Dmitry Kondratyev (kahn-DRAH-tee-ev) and Oleg Skripochka (SKREE-pohch-kah) floated outside Friday morning. Their job is to install a camera and an experimental radio system on the International Space Station, and retrieve a pair of old science experiments.
The four other space station residents are monitoring the event from inside. The crew includes three Russians, two Americans and one Italian. The commander is NASA astronaut Scott Kelly, brother-in-law of wounded Rep. Gabrielle Giffords. She's married to Kelly's identical twin brother, Mark, who's also an astronaut.
More information: http://www.nasa.gov/mission-pages/station/main/index.html
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