Ron Garan Tweetup

NASA Twitter follower Sarah Smith, Twitter handle @smith5se, asks a question at a Tweetup hosted by astronaut Ron Garan at NASA Headquarters in Washington, Tuesday, Feb. 14, 2012. Photo Credit: (NASA/Carla Cioffi)

NASA Twitter follower Sarah Smith, Twitter handle @smith5se, asks a question at a Tweetup hosted by astronaut Ron Garan at NASA Headquarters in Washington, Tuesday, Feb. 14, 2012. Photo Credit: (NASA/Carla Cioffi)

Photographer Carla Cioffi
Washington DCExpedition 27Expedition 27 PostflightExpedition 28Expedition 28 PostflightNASA HeadquartersRon GaranSarah SmithTweetup