NASA approves Sunday spacewalk

February 28, 2015 12:50 AM

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International Space Station managers Friday cleared astronauts Barry “Butch” Wilmore and Terry Virts to proceed with a third spacewalk Sunday, as originally planned, after concluding a small amount of water in Virts’ space helmet after an EVA Wednesday was an understood condition and not a threat to crew safety.

The six-and-a-half-hour spacewalk is scheduled to begin around 7:10 a.m. EST Sunday when the astronauts switch their spacesuits to battery power and exit the station’s airlock. The spacewalkers plan to install four antennas, laser reflectors and cabling to permit communications with approaching and ...

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