T-3 months before launch and @astro_alex is busy with final preparations. Here he is providing baseline data for @CNES Grasp experiment that he will perform on @Space_Station. More on this 🤚-👁️ coordination experiment in our #ImageOfTheWeek https://t.co/4eQdPH1D6T pic.twitter.com/zzVuAZDViJ

— Human Spaceflight (@esaspaceflight) March 20, 2018