Sergei is a pilot and on his first spaceflight too. We go way back (@ESA_CAVES 2011), now we do @ISS_Research in space together! #TBTpic.twitter.com/ApZZJsHcEC
jeudi 29 décembre 2016 à 15:11Sergei is a pilot and on his first spaceflight too. We go way back ( @ESA_CAVES 2011), now we do @ISS_Research in space together! #TBT pic.twitter.com/ApZZJsHcEC