Analyse @NASA_Johnson's tweets
@NASA_Johnson
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More than 20 years ago, Sergei Krikalev arrived at the @Space_Station with his crewmates to begin an unbroken streak of human presence in space. Krikalev recounts the mission and his career on this week's "Houston We Have a Podcast." https://t.co/kNiQkgsPaw https://t.co/AS6dxIDwy8