/PRNewswire/ -- NASA astronaut and U.S. Army Col. Tim Kopra has become the first International Space Station crew member to use the social media tool Twitter to discuss living and working in orbit.
Kopra (@Astro_Tim) recently joined the Expedition 20 crew after arriving at the orbiting laboratory July 17 aboard space shuttle Endeavour. He is set to return to Earth on the STS-128 mission, which is targeted to launch Aug. 25. To follow Kopra on Twitter, visit:
Kopra will provide followers with a unique perspective as an Expedition 20 flight engineer and member of the Army. He is an Army aviator and West Point graduate. He periodically will answer questions submitted on the Army's Web site. To submit questions and view Kopra's answers, visit:
This is Kopra's first spaceflight. He completed his first spacewalk July 18 during the STS-127 mission. Kopra is in orbit with station Commander Gennady Padalka and Roman Romanenko -- both Russian cosmonauts -- and NASA astronaut Mike Barratt, European Space Agency astronaut Frank DeWinne and Canadian Space Agency astronaut Bob Thirsk.
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