Expedition 53 Crew Waves Farewell via NASA https://t.co/RfhPG701Cw http://pic.twitter.com/sGS4HFppCO
— martinengwicht (@martinengwicht) September 12, 2017
from Twitter https://twitter.com/martinengwicht
learning by doing
Expedition 53 Crew Waves Farewell via NASA https://t.co/RfhPG701Cw http://pic.twitter.com/sGS4HFppCO
— martinengwicht (@martinengwicht) September 12, 2017
from Twitter https://twitter.com/martinengwicht