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International Space Station

    Astronauts Behnken and Cassidy Start Spacewalk

    NASA astronauts Robert Behnken and Chris Cassidy have begun the final planned spacewalk during their mission at the International Space Station. The spacewalkers switched their spacesuits to battery power at 7:12 a.m. EDT to begin the spacewalk, which is expected to last between six and seven hours. Watch the spacewalk on NASA TV and on …

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    Spacewalk Coverage Live Now on NASA TV

    Expedition 63 Commander Chris Cassidy is pictured in his U.S. spacesuit halfway inside the crew lock portion of the Quest airlock during a spacewalk on July 1, 2020.

    NASA Television coverage of today’s spacewalk with NASA astronauts Robert Behnken and Chris Cassidy is now underway and available on the agency’s website. The crew members of Expedition 63 are preparing to venture outside the International Space Station for a spacewalk expected to begin at approximately 7:35 a.m. EDT and last as long as seven hours. …

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    NASA TV Broadcasts Spacewalk on Tuesday

    Astronauts (from left) Chris Cassidy and Bob Behnken are pictured during previous spacewalks on earlier missions at the space station.

    NASA astronauts Robert Behnken and Chris Cassidy and are scheduled to depart the International Space Station’s Quest airlock Tuesday for a spacewalk to will conduct a series of tasks in preparation for future upgrades to the station. The duo will set their spacesuits to battery power about 7:35 a.m. EDT tomorrow, signifying the start of …

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    Station Ready for Spacewalk and Cargo Mission This Week

    NASA astronaut Chris Cassidy works during a six-hour spacewalk.

    The Expedition 63 crew is preparing for another spacewalk at the International Space Station on Tuesday and will welcome a Russian space delivery on Thursday. NASA Administrator Jim Bridenstine also announced the upcoming return to Earth of two SpaceX Crew Dragon crew members. NASA astronauts Bob Behnken and Chris Cassidy are set to venture once …

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    Spacewalk Preps and 45 Years of U.S.-Russian Space Cooperation Today

    NASA astronaut Chris Cassidy works during a six-hour spacewalk

    It was 45 years ago today when American astronauts and Russian cosmonauts shook hands for the first time in Earth orbit. The Apollo crew ship commanded by NASA astronaut Tom Stafford docked to the Soyuz crew ship led by Alexei Leonov on July 17, 1975, signifying the beginning of international cooperation in space. Expedition 63 …

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    NASA Astronauts Conclude Today’s Spacewalk

    NASA astronaut pictured tethered on the space station’s truss structure during a spacewalk to swap batteries and route cables.

    NASA astronauts Chris Cassidy and Robert Behnken concluded their spacewalk at 1:10 p.m. EDT, after six hours. The two NASA astronauts completed all the work to replace batteries that provide power for the station’s solar arrays on the starboard truss of the complex. The new batteries provide an improved and more efficient power capacity for operations. The spacewalkers removed …

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    Astronauts Have Begun Spacewalk Live on NASA TV

    NASA astronaut and Expedition 63 Flight Engineer Bob Behnken works during a spacewalk to swap an aging nickel-hydrogen battery for a new lithium-ion battery on the International Space Station's Starboard-6 truss structure.

    NASA astronauts Robert Behnken and Chris Cassidy have begun the first of two final spacewalks to finish a 3.5-year effort to upgrade the International Space Station’s power system. They will replace batteries on one of two power channels on the station’s far starboard truss (S6 Truss). The spacewalkers switched their spacesuits to battery power at …

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    NASA TV is Live Now as Astronauts Prepare for Spacewalk

    Spacewalkers Bob Behnken (far left) and Chris Cassidy (far right) are suited up ahead of their June 26 spacewalk.

    NASA Television coverage of today’s spacewalk with NASA astronauts Robert Behnken and Chris Cassidy is now underway and available on the agency’s website. The crew members of Expedition 63 are preparing to venture outside the International Space Station for a spacewalk expected to begin at approximately 7:35 a.m. EDT and last as long as seven hours. …

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    Crew Completes Spacewalk Preps and Studies Human Biology

    Flight Engineer Bob Behnken (center) is pictured on July 1 during a spacewalk to swap an aging nickel-hydrogen battery for a new lithium-ion battery on the station's starboard truss structure.

    Two NASA astronauts finalized their preparations today, ahead of Thursday’s spacewalk, to complete battery swaps on the outside of the International Space Station. NASA Flight Engineer Bob Behnken and Expedition 63 Commander Chris Cassidy organized their tools and readied the Quest airlock for the spacewalk set to begin tomorrow at 7:35 a.m. NASA astronaut Doug …

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