Ron Garan Tweetup

A NASA Twitter follower tweets during astronaut Ron Garan's Tweetup at NASA Headquarters in Washington, Tuesday, Feb. 14, 2012. Garan was a flight engineer on both the Expedition 27 and 28 missions at the International Space Station. Photo Credit: (NASA/Carla Cioffi)

A NASA Twitter follower tweets during astronaut Ron Garan's Tweetup at NASA Headquarters in Washington, Tuesday, Feb. 14, 2012. Garan was a flight engineer on both the Expedition 27 and 28 missions at the International Space Station. Photo Credit: (NASA/Carla Cioffi)

Photographer Carla Cioffi
Washington DCExpedition 27Expedition 27 PostflightExpedition 28Expedition 28 PostflightNASA HeadquartersRon GaranTweetup